Revert "Merge branch 'delete/comments'"

This reverts commit eb513184339a752fd4fe3e57f60e24d86ff6965b, reversing
changes made to 5c603c6a72311e79f61d039d913bedd1f117adbc.
Refactor html & css.
Fix delete comment handler.
Refactor create comment modal js action.
Refactor create comment handler.
Merge branch 'feature/comments'