Eduardo Saverin gets diluted from 34% of Facebook to 0.03% in The Social Network's most brutal scene. Real life wrote a different ending. He's now worth $43 billion. The mechanics of the scene are mostly accurate. Facebook reincorporated in Delaware, the new company issued 24 million fresh shares, and Eduardo's stake collapsed while everyone else's holdings were protected. The detail people miss is that Facebook's own law firm prepared the papers he signed. He never brought his own lawyer, and…