An NYPD cop accused of going on a hate-filled road rage rampage during which he beat a drunk driver and derided his victim’s Middle Eastern background has been fired, the department confirmed Tuesday. Police Officer Riggs Kwong was terminated on Sept. 6 in connection with the encounter, during which the officer recorded his own use of hate words. “Terrorist!” Kwong yelled at the driver. “Al Qaeda! Mohammed! ISIS!” The confrontation went down near Ocean Parkway and Church Ave. in Kensington, not far from both men’s homes, shortly before noon on Jan. 16, cops said. ...