Updated openstack/openstack
Project: openstack/nova  25a825dcf2fd1b87284bf388764cc1aafb149d74

Don't store duplicate policies for server_group

It doesn't make sense to store same policies in a server_group.
We need to deny this usage in server_group creation.

Change-Id: I4f3ad544aef78cbbc076c7a47cca04832a2f5b4b
Closes-Bug: #1324348