Remove unnecessary dict copy
Remove unnecessary dict copy

The conf object is ignored anyway so there is no point in copying and
updating the object.

Change-Id: I00a0af7433ad49150a3e135a0254030be59b1974
Closes-Bug: #1307781

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