Use PanicAlert instead of PanicAlertT when appropriate

It means less work for the translators... But I'm not too sure
about this, because most of these have already been translated.

Source/Core/Core/Core.cpp

@@ -614,7 +614,7 @@ void SetState(EState _State)
 		Wiimote::Resume();
 		break;
 	default:
-		PanicAlertT("Invalid state");
+		PanicAlert("Invalid state");
 		break;
 	}
 }