Anthony “Tony” Eugene Amatullo Jr., a former Warner Bros . executive and producer who worked on TV shows including “ER” and “The West Wing,” died Sunday in Manhattan. He was 76.  His son, Nicolas Amatullo, confirmed the news.  Amatullo had a long and successful career as a line and executive producer. He first worked as a location manager for commercials, television and film, with credits like “The Goonies” and “The Color Purple,” before serving as an associate producer on TV series including “