The co-leader of Germany’s hard-left Die Linke party stepped down on Wednesday, citing personal reasons as well as the need for a renewal of the party. Die Linke is the most left-wing force in the German parliament, but commands only 39 seats, having won 4.9% in national elections last autumn. “I am resigning today as party leader of Die Linke with immediate effect,” Susanne Hennig-Wellsow, 44, wrote on her website. Her personal circumstances did not allow her “to be there for my party with the strength and the time that is necessary in the current situation,” Hennig-Wellsow said. She has an e…