Read the Docs needs a single requirements file
Read the Docs needs a single requirements file

Change-Id: I27c8bbcffc6022872b826738592193233b00cea4

cneill/designate,cneill/designate,tonyli71/designate,kiall/designate-py3,NeCTAR-RC/designate,ionrock/designate,muraliselva10/designate,cneill/designate-testing,richm/designate,tonyli71/designate,grahamhayes/designate,muraliselva10/designate,ramsateesh/designate,openstack/designate,ionrock/designate,cneill/designate-testing,tonyli71/designate,ramsateesh/designate,kiall/designate-py3,openstack/designate,kiall/designate-py3,cneill/designate,muraliselva10/designate,cneill/designate-testing,grahamhayes/designate,ramsateesh/designate,kiall/designate-py3,openstack/designate,cneill/designate,richm/designate,melodous/designate,cneill/designate,NeCTAR-RC/designate,ionrock/designate,grahamhayes/designate,melodous/designate,kiall/designate-py3,melodous/designate,melodous/designate