Revert "Update zuul config"
Revert "Update zuul config"

This reverts commit dda8f0db37a11401f6e9a7d6ec5f73221fbd21c9.

For details, see https://docs.openstack.org/infra/manual/creators.html#central-config-exceptions

Change-Id: Iabf749ef6be80113dc1057cd3ec3324d28da19ae

openstack/python-searchlightclient,openstack/python-searchlightclient