scsi: qla2xxx: Remove free_sg command flag

The use of the free_sg command flag was dropped in commit 2c39b5ca
("qla2xxx: Remove SRR code"). Hence remove this flag and its check.

Link: https://lore.kernel.org/r/AS8PR10MB4952747D20B76DC8FE793CCA9DEE9@AS8PR10MB4952.EURPRD10.PROD.OUTLOOK.COMReviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Gleb Chesnokov <Chesnokov.G@raidix.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_target.c

@@ -3863,8 +3863,6 @@ void qlt_free_cmd(struct qla_tgt_cmd *cmd)
 
 	BUG_ON(cmd->sg_mapped);
 	cmd->jiffies_at_free = get_jiffies_64();
-	if (unlikely(cmd->free_sg))
-		kfree(cmd->sg);
 
 	if (!sess || !sess->se_sess) {
 		WARN_ON(1);

drivers/scsi/qla2xxx/qla_target.h

@@ -883,7 +883,6 @@ struct qla_tgt_cmd {
 	/* to save extra sess dereferences */
 	unsigned int conf_compl_supported:1;
 	unsigned int sg_mapped:1;
-	unsigned int free_sg:1;
 	unsigned int write_data_transferred:1;
 	unsigned int q_full:1;
 	unsigned int term_exchg:1;