Kristen Wiig recently called it quits after her seventh season on Saturday Night Live, and it’s not because she wants to build on her big-screen success with Bridesmaids. “I know a lot of people probably assume, ‘Oh, she’s leaving because she is going to be doing movies now and things like that,’ which I will be,†Wiig tells Marie Claire. “But I just always knew it was going to be seven and that was it.†Meanwhile, her ex-colleague Seth Meyers is about to embark on his twelfth SNL season, unless he takes that Kelly Ripa job he says he doesn’t want …