Revert temp CLI branch ref in gate devstack conf
Revert temp CLI branch ref in gate devstack conf

Since the CLI patch is now merged we no longer need to refer
to the gerrit patch.

Change-Id: Ic0f176bace20823ba1062cb9714bd3aabb2e7bb6

stackforge/group-based-policy,noironetworks/group-based-policy,stackforge/group-based-policy,noironetworks/group-based-policy