emove "unnecessary" imports in test/animation (#74901)

packages/flutter/test/animation/animation_controller_test.dart

@@ -8,7 +8,6 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/physics.dart';
 import 'package:flutter/semantics.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/animation.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/widgets.dart';
 

packages/flutter/test/animation/animation_sheet_test.dart

@@ -2,11 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui';
-
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {

packages/flutter/test/animation/animations_test.dart

@@ -4,9 +4,7 @@
 
 import 'dart:ui' as ui;
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/animation.dart';
 import 'package:flutter/widgets.dart';
 
 import '../scheduler/scheduler_tester.dart';

packages/flutter/test/animation/curves_test.dart

@@ -5,7 +5,6 @@
 import 'dart:math' as math;
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/animation.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/animation/futures_test.dart

@@ -4,7 +4,6 @@
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter/animation.dart';
-import 'package:flutter/scheduler.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/animation/iteration_patterns_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/animation.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/animation/listener_helpers_test.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/animation.dart';
 import 'package:flutter/widgets.dart';
 
 void main() {

packages/flutter/test/animation/tween_test.dart

@@ -3,9 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:flutter_test/flutter_test.dart';
-import 'package:flutter/animation.dart';
 import 'package:flutter/widgets.dart';
-import 'package:vector_math/vector_math_64.dart';
 
 const String kApiDocsLink = 'See "Types with special considerations" at https://api.flutter.dev/flutter/animation/Tween-class.html for more information.';