Remove callback when participant loses arena

lib/widgets/text_selection.dart

@@ -670,10 +670,10 @@ class _EditorTextSelectionGestureDetectorState
     final Map<Type, GestureRecognizerFactory> gestures =
         <Type, GestureRecognizerFactory>{};
 
-    gestures[_TransparentTapGestureRecognizer] =
-        GestureRecognizerFactoryWithHandlers<_TransparentTapGestureRecognizer>(
-      () => _TransparentTapGestureRecognizer(debugOwner: this),
-      (_TransparentTapGestureRecognizer instance) {
+    gestures[TapGestureRecognizer] =
+        GestureRecognizerFactoryWithHandlers<TapGestureRecognizer>(
+      () => TapGestureRecognizer(debugOwner: this),
+      (TapGestureRecognizer instance) {
         instance
           ..onTapDown = _handleTapDown
           ..onTapUp = _handleTapUp
@@ -735,18 +735,3 @@ class _EditorTextSelectionGestureDetectorState
     );
   }
 }
-
-class _TransparentTapGestureRecognizer extends TapGestureRecognizer {
-  _TransparentTapGestureRecognizer({
-    Object debugOwner,
-  }) : super(debugOwner: debugOwner);
-
-  @override
-  void rejectGesture(int pointer) {
-    if (state == GestureRecognizerState.ready) {
-      acceptGesture(pointer);
-    } else {
-      super.rejectGesture(pointer);
-    }
-  }
-}