After further review, it is determined that mod_authz_default needs to remain...

After further review, it is determined that mod_authz_default needs to remain a authz hook rather than a provider

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/authz-dev@359928 13f79535-47bb-0310-9956-ffa450edef68