[VLAN]: Kill useless VLAN_NAME define

The only user already includes __FUNCTION__ (vlan_proto_init) in the
output, which is enough to identify what the message is about.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/8021q/vlan.c

@@ -89,8 +89,8 @@ static int __init vlan_proto_init(void)
 	err = vlan_proc_init();
 	if (err < 0) {
 		printk(KERN_ERR
-		       "%s %s: can't create entry in proc filesystem!\n",
-		       __FUNCTION__, VLAN_NAME);
+		       "%s: can't create entry in proc filesystem!\n",
+		       __FUNCTION__);
 		return err;
 	}