remove method
Remote recent call item by its index in the list
Implementation
void remove(int index) {
  if((index>=0)&&(index < length)) {
    _cdrItems.removeAt(index);
    notifyListeners();
  }
}Remote recent call item by its index in the list
void remove(int index) {
  if((index>=0)&&(index < length)) {
    _cdrItems.removeAt(index);
    notifyListeners();
  }
}