Remove unused code in test_admin_actions.py
Remove unused code in test_admin_actions.py

Change-Id: I66fa378005d0e8b181274a47b1746a1fe787e716
Closes-Bug: #1253931

nexusriot/cinder,sasukeh/cinder,Nexenta/cinder,Paul-Ezell/cinder-1,alex8866/cinder,NeCTAR-RC/cinder,apporc/cinder,Akrog/cinder,rakeshmi/cinder,scottdangelo/RemoveVolumeMangerLocks,potsmaster/cinder,takeshineshiro/cinder,bswartz/cinder,scality/cinder,openstack/cinder,redhat-openstack/cinder,openstack/cinder,cloudbase/cinder,scality/cinder,sasukeh/cinder,apporc/cinder,Paul-Ezell/cinder-1,nikesh-mahalka/cinder,tlakshman26/cinder-https-changes,github-borat/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,abusse/cinder,potsmaster/cinder,julianwang/cinder,nikesh-mahalka/cinder,CloudServer/cinder,phenoxim/cinder,manojhirway/ExistingImagesOnNFS,j-griffith/cinder,mahak/cinder,Thingee/cinder,winndows/cinder,julianwang/cinder,Accelerite/cinder,dims/cinder,takeshineshiro/cinder,CloudServer/cinder,Nexenta/cinder,duhzecca/cinder,blueboxgroup/cinder,tlakshman26/cinder-new-branch,tlakshman26/cinder-https-changes,alex8866/cinder,phenoxim/cinder,Thingee/cinder,spring-week-topos/cinder-week,JioCloud/cinder,tlakshman26/cinder-new-branch,j-griffith/cinder,abusse/cinder,saeki-masaki/cinder,scottdangelo/RemoveVolumeMangerLocks,redhat-openstack/cinder,leilihh/cinder,leilihh/cinder,Accelerite/cinder,petrutlucian94/cinder,NeCTAR-RC/cinder,Hybrid-Cloud/cinder,saeki-masaki/cinder,dims/cinder,NetApp/cinder,hguemar/cinder,eharney/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,eharney/cinder,manojhirway/ExistingImagesOnNFS,winndows/cinder,mahak/cinder,Datera/cinder,petrutlucian94/cinder,JioCloud/cinder,Akrog/cinder,rakeshmi/cinder,Thingee/cinder,NetApp/cinder,bswartz/cinder,blueboxgroup/cinder,nexusriot/cinder,Hybrid-Cloud/cinder,duhzecca/cinder,cloudbase/cinder,ge0rgi/cinder,Datera/cinder,hguemar/cinder,github-borat/cinder,spring-week-topos/cinder-week