(Only the first 10 of 16 ports in this commit are shown above. )
cleanup: Remove expired zetacoin ports:
2023-06-01 net-p2p/zetacoin: Broken for nearly a year
2023-06-01 net-p2p/zetacoin-daemon: Broken for nearly a year
2023-06-01 net-p2p/zetacoin-utils: Broken for nearly a year