By Martin Domin Anthony Joshua rolled back the years with a spiteful performance to force Otto Wallin to quit on his stool after five rounds. Joshua was fighting for the third time this year following a points win over Jermaine Franklin and a brutal KO of Robert Helenius. He knew when he walked to the ring that his $100million two-fight deal with Deontay Wilder was dead in the water after the American was beaten by Joseph Parker. But the Brit also knew defeat was unthinkable if he was to return to boxing’s top table and challenge again for a world title. And in Wallin he was facing a tricky so…