Create deletion method for the PendingNameChange model to comply with GDPR

Merge pull request #18094 from edx/testeng/bokchoy_auto_cache_update_f18a9d4e742f5e646d6176a845c96988e0240754

Bokchoy db cache update

ENT-945 Using SSOVerifications in ID Verification flow

EDUCATOR-2774 add new condition for cert eligible column in grade report

Process states param to gather all passed-in states.

EDUCATOR-2770: Update logout endpoint to accept requests from user and validate password

Implement retire users function in the SurveyAnswer model for GDPR

Update models to 'Retire' not delete data

add has_staff_access to course metadata

This reworks what was done #17930, since it had to be reverted from the IDVerificationAggregate migration.
We decided to abandon that model and directly read from both id verification models.

EDUCATOR-2700

Add a management command and settings to populate RetirementState models 

Merge release back to master

Avoid fetching full group list repeatedly

Remove unused VIRTUAL_UNIVERSITIES setting

Remove these tests because they are flaky.

Use defaultValue instead of value attribute.

LEARNER-5126

rate limit

Unlink CreditRequirementStatus PII for retired users

This was removed back in July 2013 [1].

[1] e8ee2978

Get MKTG_URL_LINK_MAP from ENV_TOKENS in CMS

They all rely on modifying the handout which can sometimes fail.

Add some waffle-guarded connection points to the Credentials service
to start filling out the user flow for Student Records.

Specifically, add a button to the Program Progress Details page if
a certificate exists, and add a link in the Learner Profile page.

Both only appear if the 'student_records' waffle switch is active.

LEARNER-4701

Properly clean up a wrapped function

ENT-908: Hide SSO related messages on login page if user is not in the SSO pipeline.

It looks like this was part of the original rollout of the microsites
feature back in December 2013 [1], but was quickly removed in February
2014 [2]. These references have been orphaned ever since.
I can find no other references to it in the platform, save these.

[1] a3211a74
[2] aa43689a