Revert the changes from PR 5152

Annotation Tools: Adding Try-Catch for anonyous_student_id issue in staging

Add edX OAuth2 provider with OpenID Connect support

 - changed message and added i18n

The changes in 5152 appear to have introduced a
 performance problem on stage, so we're going to
 revert them for now.

For microsites, since we don't have a footer override yet for django tem...

Calling the client root was causing the module store to be modified,
affecting test in other Django applications that rely on the default
state of the module store.

Some tests test were using `CourseFactory` buy not deriving from
`ModuleStoreTestCase`, introducing a course leaks that broke other
unrelated tests.

For microsites, since we don't have a footer override yet for django templates, remove the footer all together

This reverts commit 3f159ea5.

Merging.

allow TAs to select the cohort of new posts.

TNL-153

Ex-74 Registration Code redemption

Pyfilesystem fix for AWS. pyfs has broken logic which did not work with AWS roles-based auth. This removes that logic. 

Fixed bok choy flaky test for studio.

EX-81 / Ex-84 changes

Update translations (autogenerated message)

Update github for asset char

LMS-11380

TE-468 JS test: Use the correct array for validating onSeek logs

TNL-284

fix the translation issues

added a check if a user is already registered in a course. Changed the messages

added course depth=0 and removed pep8 violations

only redirect to dashboard if user has course enrollments, otherwise rem...

Updated Files & Uploads template help

only redirect to dashboard if user has course enrollments, otherwise remain on the course catalog page (aka homepage or root)

update lettuce test to match new expected behavior

add Jason's feedback

only apply new redirect logic for microsites

switch to use a feature flag to determine whether to support redirect behavior

To include size warning of 10 MB.  Also updated styling on existing learn more
links

Updating active_versions should not send old and new

Ahodges/doc/glossary adds

Convert unicode emails to byte strings for CSV grade reports

Split/lms 11395

but just use old to get query info.
LMS-11396

as well as draft
LMS-11395