pandacoin: drop 0-height check from removeForReorg()
pandacoin: drop 0-height check from removeForReorg()

DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin