docs: def remove_factualities_layer(self, lp_remove=True):
          """
          Removes the factualities layer (the new version) (if exists) of the object (in memory)
          """
          if self.factuality_layer is not None:
              this_node = self.factuality_layer.get_node()
              self.root.remove(this_node)
              self.factuality_layer = None
  
          if self.header is not None and lp_remove:
              self.header.remove_lp('factualities')