Remove pep8 canary builds.

It prevents the requirements job from running, leaving users with
a confusing error message instead of the helpful one provided by
a failing requirements job.

Change-Id: I67faed4866261c90b29875d75054f8d7ebe29f8d
Reviewed-on: https://review.openstack.org/26490
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins
Upload all sphinx docs to docs-draft.

Change-Id: Ia17448dfcd8b56b74a7fdba6b5e99493f850b7ae
Reviewed-on: https://review.openstack.org/26551
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins