WIP: Add cleanup scripts for fill file store background migrations
What does this MR do?
This is a cleanup phase for Add background migration to fill file stores from
Does this MR meet the acceptance criteria?
- Changelog entry added, if necessary
- Tests added for this feature/bug
- Conform by the code review guidelines
- Has been reviewed by a Backend maintainer
- Has been reviewed by a Database specialist
End-to-end tests pass (
package-and-qamanual pipeline job)
What are the relevant issue numbers?