Remove deprecated setup.sh and test.sh (#7976)

CONTRIBUTING.md

@@ -103,7 +103,7 @@ Flutter tests use [package:flutter_test](https://github.com/flutter/flutter/tree
 
 `flutter test` runs tests inside the flutter shell.
 
-To run all the tests for the entire Flutter repository, the same way that Travis runs them, run `dev/bots/test.sh`.
+To run all the tests for the entire Flutter repository, the same way that Travis runs them, run `dart dev/bots/test.dart`.
 
 If you've built [your own flutter engine](#working-on-the-engine-and-the-framework-at-the-same-time), you can pass `--local-engine` to change what flutter shell `flutter test` uses. For example,
 if you built an engine in the `out/host_debug_unopt` directory, you can pass

dev/automated_tests/test_smoke_test/README.md

-This directory is used by //flutter/dev/bots/test.sh to verify that
+This directory is used by //flutter/dev/bots/test.dart to verify that
 `flutter test` actually correctly fails when a test fails.

dev/automated_tests/test_smoke_test/crash1_test.dart

@@ -7,7 +7,7 @@ import 'dart:io' as system;
 import 'package:flutter_test/flutter_test.dart';
 
 // this is a test to make sure our tests consider engine crashes to be failures
-// see //flutter/dev/bots/test.sh
+// see //flutter/dev/bots/test.dart
 
 void main() {
   test('test smoke test -- this test should fail', () async {

dev/automated_tests/test_smoke_test/crash2_test.dart

@@ -5,7 +5,7 @@
 import 'dart:io' as system;
 
 // this is a test to make sure our tests consider engine crashes to be failures
-// see //flutter/dev/bots/test.sh
+// see //flutter/dev/bots/test.dart
 
 void main() {
   system.Process.killPid(system.pid, system.ProcessSignal.SIGSEGV);

dev/automated_tests/test_smoke_test/fail_test.dart

@@ -5,7 +5,7 @@
 import 'package:flutter_test/flutter_test.dart';
 
 // this is a test to make sure our tests actually catch failures
-// see //flutter/dev/bots/test.sh
+// see //flutter/dev/bots/test.dart
 
 void main() {
   test('test smoke test -- this test SHOULD FAIL', () async {

dev/automated_tests/test_smoke_test/missing_import_test.broken_dart

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 // this is a test to make sure our tests consider syntax errors to be failures
-// see //flutter/dev/bots/test.sh
+// see //flutter/dev/bots/test.dart
 
 void main() {
   fail(); // inspired by https://github.com/flutter/flutter/issues/2698

dev/automated_tests/test_smoke_test/pass_test.dart

@@ -5,7 +5,7 @@
 import 'package:flutter_test/flutter_test.dart';
 
 // this is a test to make sure our tests actually catch failures
-// see //flutter/dev/bots/test.sh
+// see //flutter/dev/bots/test.dart
 
 void main() {
   test('test smoke test -- this test should pass', () async {

dev/automated_tests/test_smoke_test/syntax_error_test.broken_dart

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 // this is a test to make sure our tests consider syntax errors to be failures
-// see //flutter/dev/bots/test.sh
+// see //flutter/dev/bots/test.dart
 
 The challenge: demand satisfaction
 If they apologize, no need for further action.

dev/bots/setup.sh

-#!/bin/bash
-
-# TODO(goderbauer): delete this when all callsites are updated to travis_setup.sh.
-
-./dev/bots/travis_setup.sh

dev/bots/test.sh

-#!/bin/bash
-
-# TODO(goderbauer): delete this when all callsites are updated to test.dart.
-
-./bin/cache/dart-sdk/bin/dart ./dev/bots/test.dart