AAA Burgers and More(1500 Elm Street, St. Charles; 636-724-3333), the beloved St. Charles bar and grill, made a quiet announcement over the weekend — via a note posted on the door, no less — that it would be closing down for good.The bar featured tournament-sized pool tables and shuffleboard and was a favorite area watering hole, catering to locals and the Lindenwood University college crowd for twenty years. In conjunction with its sister business Pizza World (located directly next door, and also closed), the long-time dive bar/pizza shack served some of the best pub food this side of the Missouri River, including handmade beef burgers, jumbo BBQ chicken wings and various affordable deep-fried snacks.…