Remove "unnecessary" imports. (#83959)

dev/integration_tests/web_e2e_tests/test_driver/text_editing_integration.dart

@@ -7,7 +7,6 @@ import 'dart:js_util' as js_util;
 
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:integration_test/integration_test.dart';
 import 'package:web_e2e_tests/text_editing_main.dart' as app;

packages/flutter/lib/src/widgets/fade_in_image.dart

@@ -5,7 +5,6 @@
 import 'dart:typed_data';
 
 import 'package:flutter/foundation.dart';
-import 'package:flutter/services.dart';
 
 import 'basic.dart';
 import 'framework.dart';

packages/flutter/lib/src/widgets/image.dart

@@ -9,7 +9,6 @@ import 'dart:typed_data';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/semantics.dart';
-import 'package:flutter/services.dart';
 
 import 'basic.dart';
 import 'binding.dart';

packages/flutter/test/animation/live_binding_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter/test/cupertino/dialog_test.dart

@@ -5,7 +5,6 @@
 import 'dart:math';
 
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 

packages/flutter/test/material/text_field_test.dart

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:async';
 import 'dart:math' as math;
 import 'dart:ui' as ui show window, BoxHeightStyle, BoxWidthStyle;
 

packages/flutter_test/lib/src/test_text_input.dart

@@ -8,10 +8,6 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 
-import 'binding.dart' show TestDefaultBinaryMessengerBinding;
-import 'deprecated.dart';
-import 'test_async_utils.dart';
-
 export 'package:flutter/services.dart' show TextEditingValue, TextInputAction;
 
 /// A testing stub for the system's onscreen keyboard.

packages/flutter_test/test/widget_tester_live_device_test.dart

@@ -2,11 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
-import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {