A 17-year-old was killed Wednesday night in a shooting in Newark, authorities said Nyasia Peppers, of Newark, was shot on the 100 block of Goodwin Avenue sometime before 11:15 p.m., the Essex County Prosecutor’s Office said Thursday. When police arrived, Peppers was already at the hospital, where she later died of her injuries. Peppers was outside and there were other people in the area at the time of the shooting, a spokeswoman for the prosecutor’s office said. Additional information wasn’t immediately available. No arrests have been made and the shooting remains under investigation. Anyone w…