Revert "FIX: Don't skip callbacks when rebaking posts."
Revert "FIX: Don't skip callbacks when rebaking posts."

This reverts commit 06c651f8c929727d6d2ea78197b1aec81506f53f.

If site settings are changed, there is a chance that the post
will fail PostValidator's validations.

natefinch/discourse,natefinch/discourse