Update getDrink.jsgf

psGrammar/tasks/receptionist/getDrink.jsgf

@@ -8,6 +8,6 @@ public <drinkstring> = [<prefix>] <drink> [<robot>];
 
 <ilike> = (i like);
 
-<drink> =  (tropical_juice) | (red_wine) | (wine) | (juice_pack) | (iced_tea) | (milk) | (coke) | (ice_tea) | (orange_juice) | (cola);
+<drink> =  (tropical_juice) | (red_wine) | (wine) | (juice_pack) | (iced_tea) | (milk) | (coke) | (orange_juice) | (cola);
 
 <robot> = (tobi) | (robot) | (biron) | (pepper);