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>

drivers/scsi/megaraid/megaraid_sas_base.c

@@ -5876,10 +5876,6 @@ fallback:
 static
 int megasas_get_device_list(struct megasas_instance *instance)
 {
-	memset(instance->pd_list, 0,
-	       (MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)));
-	memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
-
 	if (instance->enable_fw_dev_list) {
 		if (megasas_host_device_list_query(instance, true))
 			return FAILED;