[PATCH] sched: remove unused rq->load_balance_class

Remove unused rq->load_balance_class.
Signed-off-by: NSatoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

kernel/sched.c

@@ -263,8 +263,6 @@ struct rq {
 	unsigned int clock_warps, clock_overflows;
 	unsigned int clock_unstable_events;
 
-	struct sched_class *load_balance_class;
-
 	atomic_t nr_iowait;
 
 #ifdef CONFIG_SMP