Remove paste_deploy from test_overrides.conf
Remove paste_deploy from test_overrides.conf

There's a default for paste_deploy, so it doesn't have to be set
in test_overrides.conf.

Change-Id: I6316eb113efbd16de91e16a3f5974005989d7dd8

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