re(moved) unused/non-lab files

foods/Foods.gf

@@ -0,0 +1,27 @@
+-- (c) 2009 Aarne Ranta under LGPL
+-- in https://github.com/GrammaticalFramework/gf-contrib/blob/master/foods/Foods.gf
+--
+-- modified for the Computational Syntax course in 2021
+
+abstract Foods = {
+
+  flags startcat = Comment ;
+  
+  cat
+    Comment ;  -- this Italian pizza is very warm
+    Item ;     -- this Italian pizza
+    Kind ;     -- Italian pizza
+    Quality ;  -- very warm
+    
+  fun
+    Pred : Item -> Quality -> Comment ;       -- (this pizza) is (very warm)
+    PredNeg : Item -> Quality -> Comment ;    -- (this pizza) is not (very warm)
+    This, That, These, Those : Kind -> Item ; -- this|that|these|those (pizza|pizzas) 
+    Mod : Quality -> Kind -> Kind ;           -- (Italian) (pizza)
+    Very : Quality -> Quality ;               -- very (Italian)
+
+    Wine, Cheese, Fish, Pizza : Kind ;
+
+    Fresh, Warm, Italian, 
+      Expensive, Delicious, Boring : Quality ;
+}