The arch-design docs have not been maintained and the Ops Docs SIG plans
to take ownership and maintain it out of its own repo.
To avoid jobs overwriting the published content, this removes the docs
from openstack-manuals.
Depends-on: https://review.openstack.org/621012
Change-Id: I58acb6a5d25d8e0b02e5f3b068aebb4ec144bf1a
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
aee2cd3da8