Disable Citycloud kna1
Disable Citycloud kna1

Citycloud has requested that we stop using the kna1 region for a period
of 2 months (until February 14, 2018) to aid ongoing upgrades and
maintenance work in that region.

Change-Id: Ib0c6af20a78f48ca25b8ffd256f6aecce3ec25b3

openstack-infra/project-config,openstack-infra/project-config