Broadline distributor Maines Paper & Food Service, a $2 billion business founded in 1919 and based in Conklin, N.Y., near Binghamton, has filed for liquidation under its current Chapter 11 status. The bulk of Maines business was in so-called “custom” distribution, serving a number of major chains including Darden, Applebee’s, Chili’s Burger King, Wendy’s and…