A federal judge Monday rejected the accusation that Gillian Flynn ripped off another author when she wrote the novel and subsequent screenplay “Gone Girl.”In a written opinion, U.S. District Judge John Robert Blakey threw out a lawsuit alleging Flynn and others — including Flynn’s publisher and parties involved in producing and distributing the film — infringed the copyright to Leslie Weller’s unproduced screenplay “Out of the Blue.”Blakey held Weller failed to show Flynn had …