Avid scoopster Dan Wakin just couldn’t wait until next Tuesday like the rest of us, and so he’s spilled enough details about NYCO’s “next” season to make it bleeding obvious 2011-12 will also be the last. A “new” “production” of La traviata by the undead Dr. Jonathan Miller and the U.S. premiere of the dreck Prima Donna get the nice venue (BAM); for the Telemann opera, be prepared to trek to El Museo del Barrio.