Rename clue -> hint

src/game.rs

@@ -656,7 +656,7 @@ impl GameState {
                 TurnChoice::Discard(index) => {
                     assert!(
                         self.board.hints_remaining < self.board.hints_total,
-                        "Tried to discard while at max clue count"
+                        "Tried to discard while at max hint count"
                     );
 
                     let card = self.take_from_hand(index);

src/strategies/cheating.rs

@@ -163,7 +163,7 @@ impl PlayerStrategy for CheatingPlayerStrategy {
             return TurnChoice::Play(index);
         }
 
-        // cannot discard while at max clue count
+        // cannot discard while at max hint count
         if view.board.hints_remaining == view.board.hints_total {
             return self.throwaway_hint(view);
         }