block: remove the duplicated setting for congestion_threshold

Before call the blk_queue_congestion_threshold(),
the blk_queue_congestion_threshold() is already called at blk_queue_make_rquest().
Because this code is the duplicated, it has removed.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-core.c

@@ -713,8 +713,6 @@ blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn,
 	if (elevator_init(q, NULL))
 		return NULL;
 
-	blk_queue_congestion_threshold(q);
-
 	/* all done, end the initial bypass */
 	blk_queue_bypass_end(q);
 	return q;