LOADING ERROR LOADING Liam Neeson is apparently sick and tired of professional fighting — especially Conor McGregor. While promoting his latest film, “Marlowe,” the 70-year-old Irishman also talked about “Star Wars” and the Ultimate Fighting Championship — which he likened to a bar fight. “That little leprechaun Conor McGregor, he gives Ireland a bad name,” he told Men’s Health. He …