Revert "added heroku-api gem to gemfile"

This reverts commit f13aa36913a1924f72b2d7cdd4c48ce1cb0cc878.
Revert "Adding files for hirefire"

This reverts commit 228f3dfa1fc7ae60590bf0fcd73cd50c04963ab7.
Revert "added hirefire to manage heroku workers"

This reverts commit a1df0dfb015110bed6817caf339e6a474da48187.
Revert "review"

This reverts commit 4e3a79739a8e96c5b66fdf80321b09a0716a4533.