Revert "listed asset paths in application.rb in the heroku config section"

This reverts commit 5716c7d18fd1f9ffd21c02435b67fdf739ebbcd4.
reverted to previous commits, assests pipeline for heroku is not working.
Revert "added some missing assets into css folder, removed from js folder"

This reverts commit c43028a8d11290fbf73f454811d5458a7fe86aae.
Revert "added some missing assets"

This reverts commit 94621bc10b342fb85c577070696d4c0bb3dd216b.
reverting
Revert "Heroku-specific asset config"

This reverts commit f1ac60cb1a215e5804623d29a4168c0bbe52c87f.
reverting