[PATCH] elevator: elevator_type member not used

elevator_type field in elevator_type structure is useless:
it isn't used anywhere in kernel sources.
Signed-off-by: Vasily Tarasov <vtaras@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

include/linux/elevator.h

@@ -70,7 +70,6 @@ struct elevator_type
 {
 	struct list_head list;
 	struct elevator_ops ops;
-	struct elevator_type *elevator_type;
 	struct elv_fs_entry *elevator_attrs;
 	char elevator_name[ELV_NAME_MAX];
 	struct module *elevator_owner;