netfilter: nf_tables: remove NETDEV_CHANGENAME from netdev chain event handler

Originally, device name used to be stored in the basechain, but it is
not the case anymore. Remove check for NETDEV_CHANGENAME.

Signed-off-by: Pablo Neira Ayuso <[e-mail]>

net/netfilter/nft_chain_filter.c

···
 	struct nft_hook *hook, *found = NULL;
 	int n = 0;
 
-	if (event != NETDEV_UNREGISTER)
-		return;
-
 	list_for_each_entry(hook, &basechain->hook_list, list) {
 		if (hook->ops.dev == dev)
 			found = hook;
···
 		.net	= dev_net(dev),
 	};
 
-	if (event != NETDEV_UNREGISTER &&
-	    event != NETDEV_CHANGENAME)
+	if (event != NETDEV_UNREGISTER)
 		return NOTIFY_DONE;
 
 	nft_net = nft_pernet(ctx.net);