Remove pam+noaudit
Remove pam+noaudit

This version of pam conflicts with ceph-common and needs to be removed
which is fine since we now have true Ubuntu images.

Change-Id: I1e85352a869d814bc2e26b9568ac1ccc93ca899f
Partially-Implements: blueprint ceph-container

tonyli71/kolla,rajalokan/kolla,rahulunair/kolla,fdumpling/kolla,chenzhiwei/kolla,GalenMa/kolla,dardelean/kolla-ansible,stackforge/kolla,fdumpling/kolla,dardelean/kolla-ansible,coolsvap/kolla,coolsvap/kolla,openstack/kolla,negronjl/kolla,dardelean/kolla-ansible,mandre/kolla,mrangana/kolla,chenzhiwei/kolla,mrangana/kolla,intel-onp/kolla,negronjl/kolla,toby82/kolla,stackforge/kolla,stackforge/kolla,mandre/kolla,GalenMa/kolla,openstack/kolla,rajalokan/kolla,limamauricio/mykolla,fdumpling/kolla,rahulunair/kolla,nihilifer/kolla,mandre/kolla,limamauricio/mykolla,limamauricio/mykolla,toby82/kolla,intel-onp/kolla,negronjl/kolla,nihilifer/kolla,coolsvap/kolla,chenzhiwei/kolla,tonyli71/kolla,rajalokan/kolla,toby82/kolla