scsi: megaraid_sas: Remove unnecessary kfree()

When alloc ctrl mem fails, the reply_map will subsequently be freed in
megasas_free_ctrl_mem(). No need to free it in megasas_alloc_ctrl_mem().

Link: https://lore.kernel.org/r/1659424740-46918-1-git-send-email-kanie@linux.alibaba.com


Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>