ila: remove unused macro 'ILA_HASH_TABLE_SIZE'

net/ipv6/ila/ila_xlat.c:604:0: warning: macro "ILA_HASH_TABLE_SIZE" is not used [-Wunused-macros]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/ila/ila_xlat.c

@@ -601,8 +601,6 @@ int ila_xlat_nl_dump(struct sk_buff *skb, struct netlink_callback *cb)
 	return ret;
 }
 
-#define ILA_HASH_TABLE_SIZE 1024
-
 int ila_xlat_init_net(struct net *net)
 {
 	struct ila_net *ilan = net_generic(net, ila_net_id);