megaraid_sas: don't set QUEUE_FLAG_NOMERGES

Setting QUEUE_FLAG_NOMERGES was added in commit 15dd0381
("scsi: megaraid_sas: NVME Interface detection and prop settings")
without any explanation.  Drivers should second guess the block
layer merge decisions, so remove the flag.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240627124926.512662-3-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/scsi/megaraid/megaraid_sas_base.c

@@ -1981,8 +1981,6 @@ megasas_set_nvme_device_properties(struct scsi_device *sdev,
 
 	lim->max_hw_sectors = max_io_size / 512;
 	lim->virt_boundary_mask = mr_nvme_pg_size - 1;
-
-	blk_queue_flag_set(QUEUE_FLAG_NOMERGES, sdev->request_queue);
 }
 
 /*