remove method
Remove a render object from the link. Does nothing if item is not in list.
Implementation
void remove(DeferPointerRenderObject value) {
  if (_painters.contains(value)) {
    _painters.remove(value);
    notifyListeners();
  }
}Remove a render object from the link. Does nothing if item is not in list.
void remove(DeferPointerRenderObject value) {
  if (_painters.contains(value)) {
    _painters.remove(value);
    notifyListeners();
  }
}