I didn't even know this was still here. All of this has been replaced by
oslo.config's 'sphinxext' extension or other in-tree tools (Cinder, I'm
looking at you).
Change-Id: I9563c9b5c192b877c4b6f949e3e3764ffae46573
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>