trivial: Remove cruft from sphinx config file
trivial: Remove cruft from sphinx config file

Change-Id: I707dd369d5a26e463cf3661b82b7563eb575ce5c
Signed-off-by: Stephen Finucane <4725dc7f3632bf126d9fbdc30c347e91e8d2fe16@redhat.com>

openstack/oslo.reports