A 19-year-old girl was released from the hospital on Thursday, one day after a Good Samaritan and a NYPD School Safety officer rescued her from drowning off the Coney Island beach, officials say. “She was discharged from the hospital this morning – they saved her life,” said Coney Island Councilman Mark Treyger. “I want to publicly acknowledge school safety, precinct police, EMS and the Good Samaritan after this girl went into the water in an unauthorized area where she was going to drown.” The 19-year-…