Merge pull request #2417 from annando/1603-sess_data

There is no table "sess_data" - this database call is useless

include/session.php

@@ -69,7 +69,7 @@ function ref_session_destroy ($id) {
 if(! function_exists('ref_session_gc')) {
 function ref_session_gc($expire) {
 	q("DELETE FROM `session` WHERE `expire` < %d", dbesc(time()));
-	q("OPTIMIZE TABLE `sess_data`");
+	//q("OPTIMIZE TABLE `sess_data`");
 	return true;
 }}