This change introduces the new purge_config parameter to the policy
class so that any policy rules not managed by puppet manifests can be
cleared.
Change-Id: I7fc017162e33f22b84c677994a49c5aff668eda0
Co-Authored-By: Martin Schuppert <mschuppert@redhat.com>
Depends-On: https://review.opendev.org/802305