PIMS-2083 Remove Keycloak Roles Code

[dbarkowsky]

🎯 Summary

PIMS-2083

This ticket removes code that handled anything related to updating Keycloak roles.

This includes when a user logs in, is updated, when the cron job ran, etc.

This will break the following until the auth checks are also updated to use the database instead:

• changing a user's role in PIMS will not have an effect on their permissions (it's still coming from Keycloak)
• changing a user's role in Keycloak will affect permissions, but the database value will not update

We should not push this past DEV until the rest of the work is done.

🔰 Checklist

• I have read and agree with the following checklist and am following the guidelines in our Code of Conduct document.

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation where required.
• I have tested my changes to the best of my ability.
• My changes generate no new warnings.

[codeclimate]

Code Climate has analyzed commit b5cb759 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 93.0%.

View more on Code Climate.

[LawrenceLau2020]

Works well, looks like it's no longer using the SSO Keycloak roles at all now. Changed user to a general user and it updated the role_id correctly in the database, also tested changing the role in Keycloak which has no effect as expected.