Sony is losing one of its top executive faces.PlayStation third-party relations vice president Adam Boyes revealed he is exiting Sony Interactive Entertainment.He is returning to game development, which is where he started before joining Sony in April 2012.I ve made the super difficult decision to leave PlayStation,  Boyes announced in an appearance on the PlayStation Blogcast.I want to go make games again.That s the next chapter of Adam s story: Making games.Boyes admitted that leaving Sony was a tough choice, but returning to development marks a return to his roots.