Remove unused variables
Remove unused variables

Remove unused variables in keystone/tests/test_v3_identity.py

Change-Id: Ia70242aa6ceaebfe8380f3de879b5b7885ca80d5
Closes-Bug: #1268094

MaheshIBM/keystone,promptworks/keystone,mahak/keystone,blueboxgroup/keystone,rushiagr/keystone,reeshupatel/demo,nuxeh/keystone,ilay09/keystone,MaheshIBM/keystone,rodrigods/keystone,blueboxgroup/keystone,ilay09/keystone,ajayaa/keystone,UTSA-ICS/keystone-kerberos,rajalokan/keystone,jumpstarter-io/keystone,openstack/keystone,dstanek/keystone,jonnary/keystone,klmitch/keystone,roopali8/keystone,dsiddharth/access-keys,dsiddharth/access-keys,reeshupatel/demo,rushiagr/keystone,dstanek/keystone,promptworks/keystone,derekchiang/keystone,roopali8/keystone,dims/keystone,rajalokan/keystone,himanshu-setia/keystone,reeshupatel/demo,promptworks/keystone,mahak/keystone,ging/keystone,klmitch/keystone,mahak/keystone,takeshineshiro/keystone,UTSA-ICS/keystone-kerberos,jumpstarter-io/keystone,maestro-hybrid-cloud/keystone,jamielennox/keystone,cernops/keystone,ajayaa/keystone,idjaw/keystone,jonnary/keystone,maestro-hybrid-cloud/keystone,idjaw/keystone,nuxeh/keystone,openstack/keystone,nuxeh/keystone,vivekdhayaal/keystone,dsiddharth/access-keys,JioCloud/keystone,rushiagr/keystone,ilay09/keystone,cernops/keystone,jumpstarter-io/keystone,ging/keystone,himanshu-setia/keystone,rajalokan/keystone,openstack/keystone,dims/keystone,vivekdhayaal/keystone,derekchiang/keystone,dstanek/keystone,takeshineshiro/keystone,derekchiang/keystone,rodrigods/keystone,jamielennox/keystone,JioCloud/keystone,vivekdhayaal/keystone