Complete edx-sphinx-theme DEPR in edx org

[robrap]

AC:

• Usage of edx-sphinx-theme in the edx org has been removed.

Additional Notes:

• DEPR: https://github.com/openedx-unsupported/edx-sphinx-theme/issues/184
• Instructions: https://docs.openedx.org/en/latest/developers/how-tos/switch-to-the-sphinx-book-theme.html
• The repos in the edx GitHub org that still depend on this theme:

Tasks

Beta Give feedback

1. braze-client
2. commerce-coordinator
3. dbt-schema-builder
4. demographics
5. edx-arch-experiments
6. edx-exams
7. edx-name-affirmation
8. financial-assistance
9. getsmarter-api-clients
10. learner-pathway-progress
11. monitoring-scripts
12. outcome-surveys
13. platform-plugin-coaching (unable to write to this and forking is also disabled)
14. platform-plugin-notices
15. portal-designer
16. program-intent-engagement
17. subscriptions
18. video-encode-manager

• The common constraint was removed, but we think that upgrades may be picking up the right version for some reason, which is good. Otherwise, this constraint would need to be copied into the other repos. See https://github.com/openedx-unsupported/edx-sphinx-theme/issues/184
  • I closed the ticket to remove this common constraint: Remove Sphinx Common Constraint openedx/edx-lint#338