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.
Co-Authored-By: Martin Schuppert <mschuppert@redhat.com>
Depends-On: https://review.opendev.org/802305
Change-Id: Id91440cce59752aa65a3a66d7eb26d315d1237ca