A Manhattan judge became the latest victim of senseless city violence when she was cold-cocked by an apparent stranger on a bike while walking to work Monday, officials and law enforcement sources told The Post. Criminal court Judge Phyllis Chu, 56, had just gotten off the Staten Island Ferry and was headed to her job at the downtown courthouse at 100 Centre St. around 9:40 a.m. when she was suddenly slugged in the jaw by a male cyclist at the corner of Wall and Water streets. “With no words exchanged, a bicyclist riding in the opposite direction as the one...