bus: Fix LINT / BUS_DEBUG build

Fix 0389e9be for LINT built. Removed an arg only from code
under BUS_DEBUG w/o rebuilding LINT...

Sponsored by:		Netflix
Fixes: 0389e9be

sys/kern/subr_bus.c

@@ -5298,7 +5298,7 @@ print_device_short(device_t dev, int indent)
 	if (!dev)
 		return;
 
-	indentprintf(("device %d: <%s> %sparent,%schildren,%s%s%s%s%s%s,%sivars,%ssoftc,busy=%d\n",
+	indentprintf(("device %d: <%s> %sparent,%schildren,%s%s%s%s%s,%sivars,%ssoftc,busy=%d\n",
 	    dev->unit, dev->desc,
 	    (dev->parent? "":"no "),
 	    (TAILQ_EMPTY(&dev->children)? "no ":""),