blk-mq: remove the blk_mq_hctx_stopped check in blk_mq_run_work_fn

blk_mq_hctx_stopped is already checked in blk_mq_sched_dispatch_requests
under blk_mq_run_dispatch_ops() protection, so remove the duplicate check.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230413060651.694656-3-hch@lst.de


Signed-off-by: Jens Axboe <axboe@kernel.dk>