workqueue: Remove unused assert_rcu_or_wq_mutex_or_pool_mutex

assert_rcu_or_wq_mutex_or_pool_mutex is never referenced in the code.
Just remove it.

Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

Author: zhang jiao

kernel/workqueue.c

@@ -541,12 +541,6 @@ static void show_one_worker_pool(struct worker_pool *pool);
 			 !lockdep_is_held(&wq_pool_mutex),		\
 			 "RCU or wq_pool_mutex should be held")
 
-#define assert_rcu_or_wq_mutex_or_pool_mutex(wq)			\
-	RCU_LOCKDEP_WARN(!rcu_read_lock_any_held() &&			\
-			 !lockdep_is_held(&wq->mutex) &&		\
-			 !lockdep_is_held(&wq_pool_mutex),		\
-			 "RCU, wq->mutex or wq_pool_mutex should be held")
-
 #define for_each_bh_worker_pool(pool, cpu)				\
 	for ((pool) = &per_cpu(bh_worker_pools, cpu)[0];		\
 	     (pool) < &per_cpu(bh_worker_pools, cpu)[NR_STD_WORKER_POOLS]; \