Remove an obsolete comment from pubspec.yaml (#73505)

dev/automated_tests/pubspec.yaml

 name: flutter_automated_tests
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/benchmarks/complex_layout/pubspec.yaml

@@ -2,7 +2,6 @@ name: complex_layout
 description: A benchmark of a relatively complex layout.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:

dev/benchmarks/macrobenchmarks/pubspec.yaml

@@ -2,7 +2,6 @@ name: macrobenchmarks
 description: Performance benchmarks using flutter drive.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:

dev/benchmarks/microbenchmarks/pubspec.yaml

@@ -2,7 +2,6 @@ name: microbenchmarks
 description: Small benchmarks for very specific parts of the Flutter framework.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/benchmarks/test_apps/stocks/pubspec.yaml

 name: stocks
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/bots/pubspec.yaml

@@ -2,7 +2,6 @@ name: tests_on_bots
 description: Scripts which run on bots.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:

dev/devicelab/pubspec.yaml

@@ -4,7 +4,6 @@ description: Flutter continuous integration performance and correctness tests.
 homepage: https://github.com/flutter/flutter
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.3.0 <3.0.0"
 
 dependencies:

dev/integration_tests/channels/pubspec.yaml

@@ -2,7 +2,6 @@ name: channels
 description: Integration test for platform channels.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/integration_tests/external_ui/pubspec.yaml

@@ -2,7 +2,6 @@ name: external_ui
 description: A test of Flutter integrating external UIs.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/integration_tests/flavors/pubspec.yaml

@@ -2,7 +2,6 @@ name: flavors
 description: Integration test for build flavors.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/integration_tests/flutter_gallery/pubspec.yaml

 name: flutter_gallery
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

dev/integration_tests/gradle_deprecated_settings/pubspec.yaml

@@ -2,7 +2,6 @@ name: gradle_deprecated_settings
 description: Integration test for the current settings.gradle.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/integration_tests/platform_interaction/pubspec.yaml

@@ -2,7 +2,6 @@ name: platform_interaction
 description: Integration test for platform interactions.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/integration_tests/release_smoke_test/pubspec.yaml

 name: release_smoke_test
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/integration_tests/ui/pubspec.yaml

@@ -2,7 +2,6 @@ name: integration_ui
 description: Flutter non-plugin UI integration tests.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.8.0 <3.0.0"
 
 dependencies:

dev/integration_tests/web/pubspec.yaml

@@ -2,7 +2,6 @@ name: web_integration
 description: Integration test for web compilation.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.6.0 <3.0.0"
 
 flutter:

dev/manual_tests/pubspec.yaml

 name: manual_tests
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:

dev/missing_dependency_tests/pubspec.yaml

 name: missing_dependency_tests
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

dev/snippets/pubspec.yaml

@@ -5,7 +5,6 @@ description: A code snippet dartdoc extension for Flutter API docs.
 homepage: https://github.com/flutter/flutter
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dartdoc:

dev/tools/gen_keycodes/pubspec.yaml

@@ -2,7 +2,6 @@ name: gen_keycodes
 description: Generates keycode source files from various resources.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:

dev/tools/pubspec.yaml

@@ -2,7 +2,6 @@ name: dev_tools
 description: Various repository development tools for flutter.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.6.0 <3.0.0"
 
 dependencies:

dev/tools/vitool/pubspec.yaml

@@ -5,7 +5,6 @@ homepage: https://flutter.dev
 author: Flutter Authors <flutter-dev@googlegroups.com>
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:

dev/tracing_tests/pubspec.yaml

@@ -2,7 +2,6 @@ name: tracing_tests
 description: Various tests for tracing in flutter/flutter
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:

examples/flutter_view/pubspec.yaml

@@ -2,7 +2,6 @@ name: flutter_view
 description: A new flutter project.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

examples/hello_world/pubspec.yaml

 name: hello_world
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

examples/layers/pubspec.yaml

 name: flutter_examples_layers
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

examples/platform_channel/pubspec.yaml

 name: platform_channel
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

examples/platform_channel_swift/pubspec.yaml

 name: platform_channel_swift
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

examples/platform_view/pubspec.yaml

 name: platform_view
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

examples/splash/pubspec.yaml

 name: splash
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

packages/flutter/test_private/pubspec.yaml

@@ -3,7 +3,6 @@ author: Flutter Authors <flutter-dev@googlegroups.com>
 description: Tests private interfaces of the flutter
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

packages/flutter/test_private/test/pubspec.yaml

@@ -2,7 +2,6 @@ name: animated_icons_private_test
 author: Flutter Authors <flutter-dev@googlegroups.com>
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

packages/flutter_driver/pubspec.yaml

@@ -4,7 +4,6 @@ homepage: http://flutter.dev
 author: Flutter Authors <flutter-dev@googlegroups.com>
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

packages/flutter_goldens/pubspec.yaml

 name: flutter_goldens
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

packages/flutter_goldens_client/pubspec.yaml

 name: flutter_goldens_client
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

packages/flutter_localizations/pubspec.yaml

 name: flutter_localizations
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

packages/flutter_test/pubspec.yaml

 name: flutter_test
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:

packages/flutter_tools/pubspec.yaml

@@ -4,7 +4,6 @@ homepage: https://flutter.dev
 author: Flutter Authors <flutter-dev@googlegroups.com>
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.7.0 <3.0.0"
 
 dependencies:

packages/flutter_tools/test/data/asset_test/font/pubspec.yaml

@@ -2,7 +2,6 @@ name: font
 description: A test project that contains a font.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 flutter:

packages/flutter_tools/test/data/asset_test/main/pubspec.yaml

@@ -2,7 +2,6 @@ name: main
 description: A test project that has a package with a font as a dependency.
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
 
 dependencies:

packages/flutter_tools/test/general.shard/update_packages_test.dart

@@ -18,7 +18,6 @@ description: A framework for writing Flutter applications
 homepage: http://flutter.dev
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:
@@ -55,7 +54,6 @@ description: A dummy pubspec with no dependencies
 homepage: http://flutter.dev
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 ''';
 
@@ -66,7 +64,6 @@ description: A framework for writing Flutter applications
 homepage: http://flutter.dev
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies:

packages/fuchsia_remote_debug_protocol/pubspec.yaml

@@ -5,7 +5,6 @@ homepage: http://flutter.dev
 author: Flutter Authors <flutter-dev@googlegroups.com>
 
 environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
   sdk: ">=2.2.2 <3.0.0"
 
 dependencies: