DB cleanup

This branch includes the following changes:

- All tables in `oqmif` schema space moved to `riski`. `oqmif` has been removed.
- Removed entirely the `eqcat` schema space.
- Updated copyright and license headers in the schema .sql files.
- Removed `uiapi.oq_job_profile` and `uiapi.job2profile`.
- Removed any now-obsolete code with was dependent upon removed tables or ORM models.