Push notifications was only ever setup to connect to Parse.com a service
that has been discontinued. Since we haven't replaced the functionality
for a few years now, remove this dead code.
In cms/templates/js/course_info_update.underscore we're allowing content
to not be escaped because this is by design according to the tests.
Long term there should be a better fix for this but for now this is
intended behavior.
Fix i18n for video status strings (broken in commit 4b53f4d) and remove
unnecessary complexity from a test case. This also removes the status
whitelist in the video upload configuration. Because status is included
in the CSV report, it is not necessary to filter the included videos by
status.