Remove survey metadata redirect

Author: kenzieschmoll

firebase.json

@@ -49,7 +49,6 @@
       { "source": "/development/:rest*", "destination": "/:rest*", "type": 301 },
       { "source": "/devtools/:rest*", "destination": "/tools/devtools/:rest*", "type": 301 },
       { "source": "/downloads/:resource*", "destination": "/resources/:resource*", "type": 301 },
-      { "source": "/f/dart-devtools-survey-metadata.json", "destination": "https://storage.googleapis.com/flutter-uxr/surveys/devtools-survey-metadata.json", "type": 301 },
       { "source": "/f/flutter-survey-metadata.json", "destination": "https://storage.googleapis.com/flutter-uxr/surveys/flutter-survey-metadata.json", "type": 301 },
       { "source": "/faq", "destination": "/resources/faq", "type": 301 },
       { "source": "/fastlane-cd", "destination": "/deployment/cd#fastlane", "type": 301 },