🧹 [code health] Remove legacy fallback logic from Applications extension #9

Job	Run time
android_test (test/functional/android/appium_service_tests.py test/functional/android/chrome_test...	1m 34s
flutter_e2e_test (ubuntu-latest, flutter-android)	1m 34s
flutter_e2e_test (macos-15, flutter-ios)	6m 30s
ios_test (test/functional/ios/safari_tests.py, func_test_ios1)	6m 30s
	16m 8s

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