BRUSSELS — The man leading the Parliament’s work on the digital euro, who had become one of its fiercest critics, has stepped down to quell suspicions he was purposefully derailing the legislation. Stefan Berger, who is part of fellow German Commission President Ursula von der Leyen’s center-right EPP party, said he didn’t want the German center-right suspected of slowing down work on the sensitive file, which aims to implement a eurozone single digital currency. “It’s time for someone [who] is not coming from Germany and is not under suspicion that he wants to delay” the talks,” Berger, a veteran Christian…