Ubisoft’s recent re-release of the original Heroes of Might and Magic 3 on Steam couldn’t have gone much worse, as Ubisoft literally forgot to include the game files. The arrival of the turn-based strategy classic should have been an easy win for the publisher, offering an all-time-great game, bundled alongside its two expansions, for $10 ahead of a full remake slated to arrive next year. The only issue is when players forked over the cash and installed it, they noticed…