German table tennis icon Timo Boll has said he will end his international career after a seventh Olympics this summer in Paris and retire for good next year. Boll, 43, is set to compete in the team event in Paris, having won two silvers and bronze medals each in the event at previous Games. He also helped Germany to seven European team titles and four silvers plus a bronze at world championships. In individual events he has a record eight European titles plus two bronze from the worlds. “The prospect of competing at the Olympics for a seventh time has kept me going through hell for the last tw…