Fix unified expression mapping only driving LowerLeft sub-shapes (#231)

Author: SummerSigh

src/VRCFaceTracking.Baballonia/BabbleOSC.cs

@@ -111,14 +111,6 @@ private void ListenLoop()
                             case "/RightEyeBrow":
                                 EyeExpressions[(int)ExpressionMapping.EyeRightSquint] = value;
                                 break;
-                            case "/mouthFunnel":
-                            case "/mouthPucker":
-                                BabbleExpressions.BabbleExpressionMap.SetByKey2(oscMessage.Address, value * 4f);
-                                break;
-                            case "/mouthLeft":
-                            case "/mouthRight":
-                                BabbleExpressions.BabbleExpressionMap.SetByKey2(oscMessage.Address, value * 2f);
-                                break;
                             default:
                                 if (BabbleExpressions.BabbleExpressionMap.ContainsKey2(oscMessage.Address))
                                     BabbleExpressions.BabbleExpressionMap.SetByKey2(oscMessage.Address, value);

src/VRCFaceTracking.Baballonia/TwoKeyDictionary.cs

@@ -30,7 +30,7 @@ public class TwoKeyDictionary<TKey1, TKey2, TValue> : IEnumerable where TKey1 :
     /// <returns>Returns true if the value was added, false if the value was already present in the dictionary.</returns>
     public bool Add(TKey1 key1, TKey2 key2, TValue value)
     {
-        if (key1 == null || key2 == null || ContainsKey1(key1) || ContainsKey2(key2))
+        if (key1 == null || key2 == null || ContainsKey1(key1))
         {
             return false;
         }