netfilter: nf_conntrack_ipv6: delete the redundant macro definitions
netfilter: nf_conntrack_ipv6: delete the redundant macro definitions

The following three macro definitions are never used, so delete them.

Signed-off-by: Shan Wei <466e8cf1570f8df90ce83b058b5ff362f7750704@cn.fujitsu.com>
Acked-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>
Signed-off-by: Patrick McHardy <3a4d625ce225e891399f98db96a382ac4a84080b@trash.net>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs