SUNRPC: Remove unused function rpc_queue_empty

					bool (*)(struct rpc_task *, void *),

					void *);

void		rpc_wake_up_status(struct rpc_wait_queue *, int);

int		rpc_queue_empty(struct rpc_wait_queue *);

void		rpc_delay(struct rpc_task *, unsigned long);

void *		rpc_malloc(struct rpc_task *, size_t);

void		rpc_free(void *);

	}

}

/*

 * Tests whether rpc queue is empty

 */

int rpc_queue_empty(struct rpc_wait_queue *queue)

{

	int res;

	spin_lock_bh(&queue->lock);

	res = queue->qlen;

	spin_unlock_bh(&queue->lock);

	return res == 0;

}

EXPORT_SYMBOL_GPL(rpc_queue_empty);

/*

 * Wake up a task on a specific queue

 */