Remove ConfigCliParser class
Remove ConfigCliParser class

This sub-class of ArgumentParser isn't really justified anymore.

Change-Id: I705224b6e18e4609a8e2deba283767233b0bd578

citrix-openstack-build/pbr,JioCloud/pbr,redhat-openstack/pbr,emonty/oslo-packaging,klmitch/pbr,varunarya10/pbr,redhat-openstack/pbr,openstack-dev/pbr,citrix-openstack-build/pbr,openstack-dev/pbr,emonty/oslo-packaging,klmitch/pbr,varunarya10/pbr,WiFast/pbr,WiFast/pbr,JioCloud/pbr,citrix-openstack-build/pbr,openstack-dev/pbr