scsi: hisi_sas: Revert change to limit max hw sectors for v3 HW

Now that libsas and the SCSI core code limits the default sectors from
commit 4cbfca5f ("scsi: scsi_transport_sas: cap shost opt_sectors
according to DMA optimal limit") and commit 608128d3 ("scsi: sd: allow
max_sectors be capped at DMA optimal size limit"), there is no need for
the hack to limit the max HW sectors.

Link: https://lore.kernel.org/r/1662378529-101489-2-git-send-email-john.garry@huawei.com


Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>