David Benioff and actress Amanda Peet. (Photo by C Flanigan/Getty Images) Actress Amanda Peet was so upset when Kit Harington’s “Game of Thrones” character Jon Snow was killed in the most recent season finale, she threatened to divorce her husband, the drama’s co-creator and executive producer David Benioff. Like many fans of the show, Peet was stunned when leading man Harington was left for dead and admits her husband gave her absolutely no warning. She jokes on “Jimmy Kimmel Live,” “I don’t love him anymore… I said, ‘If you kill him, that’s it!’ I’m in the process of getting divorced.” Peet admits she was more shocked than most fans because