Remove unused variables from common.config
Remove unused variables from common.config

These variables were not used, so they've been removed.

Change-Id: I15e7a3f96f00fa46cbbc5132902d0b95d1a4d07c

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