Revert hack and explicitly set API key path instead

fastlane/Fastfile

@@ -28,11 +28,6 @@ before_all do
   # It is skipped if this isn't running on CI
   # See https://circleci.com/docs/2.0/ios-codesigning/
   setup_circle_ci
-
-  # Hack to safely complete the 4.37 code freeze – Will require extra cleanup
-  # afterwards
-  ENV['APP_STORE_CONNECT_API_KEY_PATH'] = File.join(Dir.home, '.configure', 'simplenote-ios', 'secrets', 'app_store_connect_fastlane_api_key.json')
-  # End hack
 end
 
 error do |lane, exception, options|
@@ -412,7 +407,10 @@ end
       }
     )
 
-    testflight(skip_waiting_for_build_processing: true)
+    testflight(
+      skip_waiting_for_build_processing: true,
+      api_key_path: File.join(Dir.home, '.configure', 'simplenote-ios', 'secrets', 'app_store_connect_fastlane_api_key.json')
+    )
 
     sh("rm ../Simplenote.ipa")
     dSYM_PATH = File.dirname(Dir.pwd) + "/Simplenote.app.dSYM.zip"