Remove text implying "Require valid-user" is handled by mod_authnz_ldap, which

makes the behavior of AuthzLDAPAuthoritative more intuitive.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@821062 13f79535-47bb-0310-9956-ffa450edef68