Openshift-ansible already sets the right firewall rules on the
provisioned nodes, there is no need to set up (some of) the rules by
ourselves.
Add the 'OS::TripleO::Services::TripleoFirewall' to all the OpenShift
roles so that the operator can still set additional rules if desired.
Change-Id: I1e8ca10069c3f1017207abfebb803cb7aa3835a8