Cleaned up fake backend backend
Cleaned up fake backend backend

removed un-used calls

Change-Id: I81b4ee27aa63ccf0ac35a3ae1ed72c3115da7b2d

cneill/designate,grahamhayes/designate,ionrock/designate,ramsateesh/designate,melodous/designate,cneill/designate-testing,tonyli71/designate,kiall/designate-py3,tonyli71/designate,cneill/designate,NeCTAR-RC/designate,cneill/designate-testing,grahamhayes/designate,melodous/designate,muraliselva10/designate,richm/designate,ramsateesh/designate,richm/designate,ionrock/designate,cneill/designate,muraliselva10/designate,grahamhayes/designate,melodous/designate,openstack/designate,kiall/designate-py3,NeCTAR-RC/designate,cneill/designate,muraliselva10/designate,ionrock/designate,openstack/designate,cneill/designate,melodous/designate,ramsateesh/designate,cneill/designate-testing,kiall/designate-py3,kiall/designate-py3,openstack/designate,tonyli71/designate,kiall/designate-py3