scsi: megaraid_sas: Remove unnecessary memset()

Remove memset() of pd_list and ld_ids in megasas_get_device_list().

These lists will be cleared by megasas_host_device_list_query(),
megasas_get_pd_list(), and megasas_ld_list_query().

Link: https://lore.kernel.org/r/1663145283-4872-5-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>