Fix memory leak from object pools.

Assets/Cryville/Crtr/ChartPlayer.cs

@@ -524,6 +524,8 @@ namespace Cryville.Crtr {
 				Game.AudioClient.Start();
 				Game.AudioSession = Game.AudioSequencer.NewSession();
 				inputProxy.Deactivate();
+				inputProxy = null;
+				judge = null;
 				if (nbus != null) { nbus.Dispose(); nbus = null; }
 				if (tbus != null) { tbus.Dispose(); tbus = null; }
 				if (bbus != null) { bbus.Dispose(); bbus = null; }