Cleanup the firewall logic.
Cleanup the firewall logic.

We added code in t-h-t to strip empty services from the service_names
list. (These are often the result of a service set to OS::Heat::None).

As such we can now drop this puppet reject statement.

Change-Id: Ie66f14f183de7e44a1f69af862f7d4be9a14c904

openstack/puppet-tripleo,openstack/puppet-tripleo,openstack/puppet-tripleo