Revert r1367504:

   mod_lua: The current way of getting the authz provider name doesn't
   seem to work. This approach should fix that.

This is not necessary and breaks with "Require not ..."



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1369617 13f79535-47bb-0310-9956-ffa450edef68