Remove explicit distribute depend.
Remove explicit distribute depend.

Causes issues with the recent re-merge with setuptools. Advice from
upstream is to stop doing explicit depends.

Change-Id: I2ea9b54c3b745ad60d62cf26e2f53f40242d2848

idegtiarov/ceilometer,isyippee/ceilometer,openstack/aodh,pkilambi/ceilometer,ityaptin/ceilometer,m1093782566/openstack_org_ceilometer,NeCTAR-RC/ceilometer,openstack/aodh,openstack/ceilometer,luogangyi/Ceilometer-oVirt,maestro-hybrid-cloud/ceilometer,rackerlabs/instrumented-ceilometer,r-mibu/ceilometer,mathslinux/ceilometer,cernops/ceilometer,pczerkas/aodh,r-mibu/ceilometer,JioCloud/ceilometer,citrix-openstack-build/ceilometer,NeCTAR-RC/ceilometer,rickerc/ceilometer_audit,JioCloud/ceilometer,rackerlabs/instrumented-ceilometer,mathslinux/ceilometer,JioCloud/ceilometer,tanglei528/ceilometer,m1093782566/openstack_org_ceilometer,fabian4/ceilometer,MisterPup/Ceilometer-Juno-Extension,rickerc/ceilometer_audit,chungg/aodh,froyobin/ceilometer,sileht/aodh,isyippee/ceilometer,redhat-openstack/ceilometer,chungg/aodh,NeCTAR-RC/ceilometer,citrix-openstack-build/ceilometer,pczerkas/aodh,cernops/ceilometer,rickerc/ceilometer_audit,sileht/aodh,eayunstack/ceilometer,openstack/ceilometer,eayunstack/ceilometer,ityaptin/ceilometer,Juniper/ceilometer,redhat-openstack/ceilometer,idegtiarov/ceilometer,citrix-openstack-build/ceilometer,froyobin/ceilometer,tanglei528/ceilometer,Juniper/ceilometer,rackerlabs/instrumented-ceilometer,MisterPup/Ceilometer-Juno-Extension,fabian4/ceilometer,pkilambi/ceilometer,luogangyi/Ceilometer-oVirt,maestro-hybrid-cloud/ceilometer,tanglei528/ceilometer