can: dev: can_dellink(): remove return at end of void function

This patch remove the return at the end of the void function
can_dellink().
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/dev.c

@@ -1196,7 +1196,6 @@ static int can_newlink(struct net *src_net, struct net_device *dev,
 
 static void can_dellink(struct net_device *dev, struct list_head *head)
 {
-	return;
 }
 
 static struct rtnl_link_ops can_link_ops __read_mostly = {