Remove delete_user permission from organization user

Shane Maglangitrequested to merge
461792-remove-organization-user-delete-user-permission into master

What does this MR do and why?

Remove delete_user permission from organization user

The delete_user ability on OrganizationUserPermissions was never consumed. It duplicated delete_organization_user and let organization owners hold a user-deletion permission that should belong only to instance admins.

Changelog: removed

References

Screenshots or screen recordings

Before After

How to set up and validate locally

MR acceptance checklist

Evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Related to #461792 (closed)

Merge request reports