Merge pull request #3583 from SwiftPackageIndex/remove-obsolete-env-vars

Remove unused env vars from app.yml

Author: finestructure

app.yml

@@ -59,10 +59,6 @@ x-shared: &shared
     RUNNER_IDS: ${RUNNER_IDS}
     SITE_URL: ${SITE_URL}
     SWIFT_BACKTRACE: ${SWIFT_BACKTRACE}
-    TWITTER_API_KEY: ${TWITTER_API_KEY}
-    TWITTER_API_SECRET: ${TWITTER_API_SECRET}
-    TWITTER_ACCESS_TOKEN_KEY: ${TWITTER_ACCESS_TOKEN_KEY}
-    TWITTER_ACCESS_TOKEN_SECRET: ${TWITTER_ACCESS_TOKEN_SECRET}
   volumes:
     - checkouts:/checkouts