Remove unused IPv6 DirPort code
IPv6 DirPorts aren't used by Tor: clients use IPv4/IPv6 ORPorts, and relays use IPv4 DirPorts (and IPv4 ORPorts).
There is code that implements this algorithm in commit 36ba50c820 of my bug23975_tree branch.
IPv6 DirPorts aren't used by Tor: clients use IPv4/IPv6 ORPorts, and relays use IPv4 DirPorts (and IPv4 ORPorts).
There is code that implements this algorithm in commit 36ba50c820 of my bug23975_tree branch.