Removed unixd_set_lock_perms(apr_lock_t *), which is no longer

used by any of the MPMs.  (This is another step toward eliminating
the httpd's dependencies on the old lock API.)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93558 13f79535-47bb-0310-9956-ffa450edef68