fix(flutter): 移除搜索框识剧入口

test/discover/home_all_dramas_grid_test.dart

@@ -34,7 +34,6 @@ void main() {
     expect(find.byKey(const Key('theater-category-chips')), findsOneWidget);
     expect(find.byKey(const Key('theater-language-chips')), findsNothing);
     expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
-    expect(find.byKey(const Key('discover-identify')), findsOneWidget);
     expect(find.byKey(const Key('discover-profile')), findsNothing);
     for (final tool in ['filter', 'ranking', 'new', 'reserve']) {
       expect(find.byKey(Key('theater-toolbar-$tool')), findsOneWidget);
@@ -71,17 +70,6 @@ void main() {
     );
   });
 
-  testWidgets('should_show_coming_soon_when_identify_is_tapped', (
-    tester,
-  ) async {
-    await _pumpTheater(tester, categoryRepository: _GridCategoryRepository());
-
-    await tester.tap(find.byKey(const Key('discover-identify')));
-    await tester.pump();
-
-    expect(find.text('Coming soon'), findsOneWidget);
-  });
-
   testWidgets('should_filter_grid_when_category_chip_is_tapped', (
     tester,
   ) async {

test/widget_test.dart

@@ -215,7 +215,6 @@ void main() {
     expect(find.byKey(const Key('theater-category-chips')), findsOneWidget);
     expect(find.byKey(const Key('theater-language-chips')), findsNothing);
     expect(find.byKey(const Key('home-all-dramas-grid')), findsOneWidget);
-    expect(find.byKey(const Key('discover-identify')), findsOneWidget);
     expect(tester.takeException(), isNull);
   });