NEW YORK — The New York City Council is poised to pass a series of criminal justice reforms that would sharply curtail the punishments for low-level offenses such as littering and peeing in public, an overhaul intended to help unclog the courts and jails of the nation’s largest city.The Criminal Justice Reform Act would alter the penalties for certain offenses, including possessing an open container of alcohol in public. Though the offenses would remain illegal, the legislation would steer them to civil court …