General Motors’ (NYSE:GM) autonomous driving unit, Cruise, is abandoning its plans to build the Origin autonomous vehicle and instead focussing on using its next-generation Chevrolet Bolt for autonomous driving operations. What Happened: Origin is an entirely autonomous vehicle with no manual controls or pedals for which GM had great plans. However, the production of Origin is no longer in the picture, as per a letter to shareholders from GM CEO Mary Barra. “The Cruise team will also simplify their path to scale by focusing their next autonomous vehicle on the next-generation Chevrolet Bolt, i…