Cleanup unused method fake_get_target
Cleanup unused method fake_get_target

This method has not been used since the change
I43190d1dac33748fe55fa00f260f32ab209be656
which removes the callers of fake_get_target()

Closes-Bug: #1473338
Change-Id: Ib94d9d3a5d3fd99885ab18cd2efc0730720e8c3f

tlakshman26/cinder-https-changes,eharney/cinder,cloudbase/cinder,phenoxim/cinder,potsmaster/cinder,duhzecca/cinder,NetApp/cinder,winndows/cinder,NetApp/cinder,sasukeh/cinder,sasukeh/cinder,tlakshman26/cinder-new-branch,openstack/cinder,manojhirway/ExistingImagesOnNFS,tlakshman26/cinder-bug-fix-volume-conversion-full,manojhirway/ExistingImagesOnNFS,nikesh-mahalka/cinder,CloudServer/cinder,Hybrid-Cloud/cinder,Hybrid-Cloud/cinder,j-griffith/cinder,tlakshman26/cinder-https-changes,cloudbase/cinder,eharney/cinder,takeshineshiro/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,JioCloud/cinder,scottdangelo/RemoveVolumeMangerLocks,scality/cinder,bswartz/cinder,dims/cinder,scality/cinder,nexusriot/cinder,leilihh/cinder,takeshineshiro/cinder,apporc/cinder,Paul-Ezell/cinder-1,j-griffith/cinder,Datera/cinder,Paul-Ezell/cinder-1,petrutlucian94/cinder,dims/cinder,JioCloud/cinder,nikesh-mahalka/cinder,scottdangelo/RemoveVolumeMangerLocks,nexusriot/cinder,bswartz/cinder,potsmaster/cinder,mahak/cinder,apporc/cinder,winndows/cinder,CloudServer/cinder,openstack/cinder,leilihh/cinder,mahak/cinder,petrutlucian94/cinder,ge0rgi/cinder,Nexenta/cinder,Nexenta/cinder,phenoxim/cinder,duhzecca/cinder,Datera/cinder,tlakshman26/cinder-new-branch