* refactor: Merge the openedx certs app with lms one Move the certs API from openedx into the lms certificates app. Functionally, this is a no-op. Cleanup will happen in a subsequent commit. This is simply a move.
* refactor: Merge the openedx certs app with lms one Move the certs API from openedx into the lms certificates app. Functionally, this is a no-op. Cleanup will happen in a subsequent commit. This is simply a move.