Deleting a catalog doesn't actually delete anything

[hjuutilainen]

As reported in https://groups.google.com/d/topic/munkiadmin-dev/PANIWT_f7rA/discussion. Here as a reminder for myself.

[WardsParadox]

Methods to produce reliably: Remove Software from CatalogA Delete CatalogA Make Catalogs via button Refresh the view to clear cached view of repo Manifests, Catalogs, PkgInfo all state CatalogA does not exist. Clients still try and pull the catalog from the repo.