🧹 [code health] Remove legacy fallback logic from Applications extension #14

Job	Run time
android_test (test/functional/android/appium_service_tests.py test/functional/android/chrome_test...	4m 2s
ios_test (test/functional/ios/safari_tests.py, func_test_ios1)	13m 37s
flutter_e2e_test (ubuntu-latest, flutter-android)	4m 46s
flutter_e2e_test (macos-15, flutter-ios)	30m 53s
	53m 18s

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