Sony has revealed today that it will no longer be working with Kojima Productions on stealth action game Physint, while Kojima announced that Xbox has stepped up to rescue the project. The change in publishers means both of Kojima’s upcoming projects are now being made in partnership with Xbox, a departure from his long history of developing games for the PlayStation. PlayStation’s official statement didn’t say why it chose to end its support of Physint, leaving gamers to speculate on…