docs: def remove_chunk_layer(self):
          """
          Removes the chunk layer (if exists) of the object (in memory)
          """
          if self.chunk_layer is not None:
              this_node = self.chunk_layer.get_node()
              self.root.remove(this_node)
              self.chunk_layer = None
  
          if self.header is not None:
              self.header.remove_lp('chunks')