Revert "Temporary disable inap-mtl01 region for maintenance"
Revert "Temporary disable inap-mtl01 region for maintenance"

This reverts commit ed1663c163a4290e21cdb787f3fc9ba71cb34bfa.

Change-Id: I5e4289ac3efc0b7e445b998f2a017f45184a8609

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