Remove unused android_splash_screens integration test (flutter#76429)

Author: jmagman

dev/devicelab/bin/tasks/android_splash_screen_integration_test.dart

@@ -78,13 +78,6 @@ TaskFunction createCodegenerationIntegrationTest() {
   );
 }
 
-TaskFunction createAndroidSplashScreenKitchenSinkTest() {
-  return DriverTest(
-    '${flutterDirectory.path}/dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink',
-    'test_driver/main.dart',
-  );
-}
-
 TaskFunction createIOSPlatformViewTests() {
   return DriverTest(
     '${flutterDirectory.path}/dev/integration_tests/ios_platform_view_tests',

dev/devicelab/lib/tasks/integration_tests.dart

@@ -334,10 +334,3 @@ tasks:
       Measures memory, cpu, and gpu usage when rotating through a series of large images.
     stage: devicelab
     required_agent_capabilities: ["mac/ios"]
-
-  # android_splash_screen_integration_test:
-  #   description: >
-  #     Runs end-to-end test of Flutter's Android splash behavior.
-  #   stage: devicelab
-  #   required_agent_capabilities: ["linux/android"]
-  #   flaky: true