Reduce citycloud-sto2 to 40 max servers
Reduce citycloud-sto2 to 40 max servers

Because we have servers held and booted for testing and debugging of the
networking oddities in this region we are hitting quota limits. Avoid
these errors by reduce our total usage.

Change-Id: I99dcb36869c929fe163e0f1db7b986740a81ce2d

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