Reorganizes project-config

This repo was created from filter branching the openstack-infra/
config repo. This process brought a lot of cruft with it in the
form of directories that we no longer need. This patch removes
that cruft so we begin with a tidier repo.

Change-Id: Ibffad1b11c0c5f84eedfb0365369f60c4961a0f3

gerrit/acls/openstack-attic/database-api.config

@@ -0,0 +1,2 @@
+[project]
+state = read only