Remove unused variable assignment
Remove unused variable assignment

This variable was assigned a value and then later assigned a new
value without ever being read in between, so the first assignment
had no affect.

Change-Id: I535776f5aa7b634375df23a4efae7e29d6e3d008

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