Remove some obsolete // ignore: (#50481)

packages/flutter/lib/src/rendering/view.dart

@@ -282,7 +282,6 @@ class RenderView extends RenderObject with RenderObjectWithChildMixin<RenderBox>
   }
 
   @override
-  // ignore: MUST_CALL_SUPER
   void debugFillProperties(DiagnosticPropertiesBuilder properties) {
     // call to ${super.debugFillProperties(description)} is omitted because the
     // root superclasses don't include any interesting information for this

packages/flutter/lib/src/scheduler/binding.dart

@@ -60,7 +60,6 @@ typedef SchedulingStrategy = bool Function({ int priority, SchedulerBinding sche
 
 class _TaskEntry<T> {
   _TaskEntry(this.task, this.priority, this.debugLabel, this.flow) {
-    // ignore: prefer_asserts_in_initializer_lists
     assert(() {
       debugStack = StackTrace.current;
       return true;

packages/flutter/test/painting/decoration_test.dart

@@ -375,10 +375,10 @@ void main() {
   });
 
   test('Decoration.lerp with unrelated decorations', () {
-    expect(Decoration.lerp(const FlutterLogoDecoration(), const BoxDecoration(), 0.0), isA<FlutterLogoDecoration>()); // ignore: CONST_EVAL_THROWS_EXCEPTION
-    expect(Decoration.lerp(const FlutterLogoDecoration(), const BoxDecoration(), 0.25), isA<FlutterLogoDecoration>()); // ignore: CONST_EVAL_THROWS_EXCEPTION
-    expect(Decoration.lerp(const FlutterLogoDecoration(), const BoxDecoration(), 0.75), isA<BoxDecoration>()); // ignore: CONST_EVAL_THROWS_EXCEPTION
-    expect(Decoration.lerp(const FlutterLogoDecoration(), const BoxDecoration(), 1.0), isA<BoxDecoration>()); // ignore: CONST_EVAL_THROWS_EXCEPTION
+    expect(Decoration.lerp(const FlutterLogoDecoration(), const BoxDecoration(), 0.0), isA<FlutterLogoDecoration>());
+    expect(Decoration.lerp(const FlutterLogoDecoration(), const BoxDecoration(), 0.25), isA<FlutterLogoDecoration>());
+    expect(Decoration.lerp(const FlutterLogoDecoration(), const BoxDecoration(), 0.75), isA<BoxDecoration>());
+    expect(Decoration.lerp(const FlutterLogoDecoration(), const BoxDecoration(), 1.0), isA<BoxDecoration>());
   });
 
   test('paintImage BoxFit.none scale test', () {