refactor: clean up release script and fastlane configs

ios/fastlane/Fastfile

@@ -4,35 +4,6 @@ Dotenv.load("../../.env")
 default_platform(:ios)
 
 platform :ios do
-  desc "Push a new beta build to TestFlight"
-  lane :beta do
-    build_app(workspace: "Runner.xcworkspace", scheme: "Runner")
-    upload_to_testflight
-  end
-
-  desc "Push a new release build to the App Store"
-  lane :release do
-    build_app(workspace: "Runner.xcworkspace", scheme: "Runner")
-    upload_to_app_store
-  end
-
-  desc "Build release IPA"
-  lane :build do
-    # Navigate to Flutter project root and build
-    sh("cd #{ENV['PWD']}/.. && flutter build ipa --dart-define=ENABLE_IN_APP_REVIEW=true")
-  end
-
-  desc "Build and deploy to TestFlight"
-  lane :deploy_testflight do
-    # Build the Flutter app
-    sh("cd #{ENV['PWD']}/.. && flutter build ipa --dart-define=ENABLE_IN_APP_REVIEW=true")
-
-    # Upload to TestFlight
-    upload_to_testflight(
-      skip_waiting_for_build_processing: true
-    )
-  end
-
   desc "Build and deploy to App Store"
   lane :deploy_appstore do
     # Build the Flutter app
@@ -46,4 +17,4 @@ platform :ios do
       skip_screenshots: true, # https://github.com/fastlane/fastlane/issues/29735
     )
   end
-end
+end