- Removed all jQuery AJAX calls and replaced with our fetch wrapper
- Tested the comment edit history list, diff, and delete functionality
and it works as before
# Demo using `fetch` instead of jQuery AJAX

Signed-off-by: Yarden Shoham <git@yardenshoham.com>
(cherry picked from commit b5ed42864e306f22305beba50d6ff71df2aea0c6)