A 35-year-old man on a two-wheeled, gas-powered scooter died after a Bronx hit-and-run crash, police said Saturday. Victim William Cruz was zipping south along Park Ave. in Belmont about 7:40 p.m. Friday when he collided with a black sedan heading east on E. 183rd St., cops said. EMS rushed Cruz to St. Barnabas Hospital, but he couldn’t be saved. Cruz lived in Washington Heights, about five ...