Remove duplicate method implementations in ImageLocationsProxy
Remove duplicate method implementations in ImageLocationsProxy

Change-Id: I85f55fbaa290956ad03edbc8d019f73daa02d0a9

wkoathp/glance,vuntz/glance,takeshineshiro/glance,paramite/glance,klmitch/glance,dims/glance,kfwang/Glance-OVA-OVF,darren-wang/gl,tanglei528/glance,takeshineshiro/glance,klmitch/glance,ozamiatin/glance,stevelle/glance,JioCloud/glance,openstack/glance,vuntz/glance,jumpstarter-io/glance,tanglei528/glance,openstack/glance,dims/glance,saeki-masaki/glance,ozamiatin/glance,stevelle/glance,darren-wang/gl,jumpstarter-io/glance,sigmavirus24/glance,JioCloud/glance,scripnichenko/glance,wkoathp/glance,kfwang/Glance-OVA-OVF,saeki-masaki/glance,scripnichenko/glance,rajalokan/glance,redhat-openstack/glance,redhat-openstack/glance,akash1808/glance,akash1808/glance,sigmavirus24/glance,rajalokan/glance,paramite/glance,openstack/glance