Revert "Also set region for ubuntu builds"
Revert "Also set region for ubuntu builds"

This reverts commit 300025d63701cc8d7994463a8af989d4702d80e3.

cloudfoundry-incubator/bosh-openstack-cpi-release,cloudfoundry-incubator/bosh-openstack-cpi-release,cloudfoundry-incubator/bosh-openstack-cpi-release