code: def remove(self, node, dirty=True):
          
          if node.id in self._children:
              self._children[node.id].parent = None
              del self._children[node.id]
          if dirty:
              self.touch()
docs: Remove the given child node.
  
          Args:
              node (gkeepapi.Node): Node to remove.
              dirty (bool): Whether this node should be marked dirty.