block: Drop NULL check in bdev_write_zeroes_sectors()

Function bdev_get_queue() must not return NULL, so drop the check in
bdev_write_zeroes_sectors().

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
Link: https://lore.kernel.org/r/20240815163228.216051-3-john.g.garry@oracle.com


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