missed entrypoint for nova_notifier removal
missed entrypoint for nova_notifier removal

i messed up. entrypoint was not removed so now it's throwing error
on startup.

Change-Id: I1ad1f2b61ce1f5275e9014ec4036270c5463c456
Closes-Bug: #1491603

ityaptin/ceilometer,idegtiarov/ceilometer,cernops/ceilometer,redhat-openstack/ceilometer,eayunstack/ceilometer,isyippee/ceilometer,idegtiarov/ceilometer,maestro-hybrid-cloud/ceilometer,fabian4/ceilometer,redhat-openstack/ceilometer,ityaptin/ceilometer,openstack/ceilometer,fabian4/ceilometer,eayunstack/ceilometer,maestro-hybrid-cloud/ceilometer,openstack/ceilometer,cernops/ceilometer,isyippee/ceilometer