Revert "fixed: hard linked organisational unit without commas"

This reverts commit 2d020ad33637e257e6713ef0be160718c4e8aee8.
Revert "fixed: hard linked organisational unit 'ou=apps'"

This reverts commit 707ffb4b452d00b4fde899e66dbdf1e7218c6a29.
Fix LHM #9436: Show GID conflict warnings in same and other departments
Merge remote-tracking branch 'lhm/2.7-lhm' into 2.7-lhm