scsi: scsi_debug: Drop if with an always false condition

to_sdebug_host() is a container_of operation, so it never returns NULL.

Link: https://lore.kernel.org/r/20210506203206.254258-1-u.kleine-koenig@pengutronix.deSigned-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/scsi_debug.c

@@ -7684,11 +7684,6 @@ static int sdebug_driver_remove(struct device *dev)
 
 	sdbg_host = to_sdebug_host(dev);
 
-	if (!sdbg_host) {
-		pr_err("Unable to locate host info\n");
-		return -ENODEV;
-	}
-
 	scsi_remove_host(sdbg_host->shost);
 
 	list_for_each_entry_safe(sdbg_devinfo, tmp, &sdbg_host->dev_info_list,