ipv6: kill two unused macro definition

1. IPV6_TLV_TEL_DST_SIZE
This has not been using for several years since created.

2. RT6_INFO_LEN
commit 33120b30 kill all RT6_INFO_LEN's references, but only this definition remained.

commit 33120b30
Author: Alexey Dobriyan <adobriyan@sw.ru>
Date:   Tue Nov 6 05:27:11 2007 -0800

    [IPV6]: Convert /proc/net/ipv6_route to seq_file interface
Signed-off-by: NShan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv6/ip6_tunnel.c

@@ -58,8 +58,6 @@ MODULE_AUTHOR("Ville Nuorvala");
 MODULE_DESCRIPTION("IPv6 tunneling device");
 MODULE_LICENSE("GPL");
 
-#define IPV6_TLV_TEL_DST_SIZE 8
-
 #ifdef IP6_TNL_DEBUG
 #define IP6_TNL_TRACE(x...) printk(KERN_DEBUG "%s:" x "\n", __func__)
 #else

net/ipv6/route.c

@@ -2453,8 +2453,6 @@ static int ip6_route_dev_notify(struct notifier_block *this,
 
 #ifdef CONFIG_PROC_FS
 
-#define RT6_INFO_LEN (32 + 4 + 32 + 4 + 32 + 40 + 5 + 1)
-
 struct rt6_proc_arg
 {
 	char *buffer;