Revert "Merge pull request #1455 from heroku/request-id"
Revert "Merge pull request #1455 from heroku/request-id"

This reverts commit 9d34938c9b380910c850318e83338c41e3ecf8e0, reversing
changes made to aebbb855b825c721e5fa09a9430a8fa64707c290.

heroku/heroku,heroku/heroku,heroku/heroku