scsi: qla2xxx: Remove the unused variable wwn

Variable wwn is not used. Delete it.

drivers/scsi/qla2xxx/qla_init.c:1657:6: warning: variable 'wwn' set but not used.

Link: https://lore.kernel.org/r/20230207052234.24535-1-jiapeng.chong@linux.alibaba.com


Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>