docs: def del_value(self, keys, complete=False, on_projects=False,
                    on_globals=False, projectname=None, base='', dtype=None,
                    **kwargs):
          """
          Delete a value in the configuration
  
          Parameters
          ----------
          keys: list of str
              A list of keys to be deleted. %(get_value_note)s
          %(ModelOrganizer.info.common_params)s
          base: str
              A base string that shall be put in front of each key in `values` to
              avoid typing it all the time
          """
          config = self.info(complete=complete, on_projects=on_projects,
                             on_globals=on_globals, projectname=projectname,
                             return_dict=True, insert_id=False, **kwargs)
          for key in keys:
              if base:
                  key = base + key
              key, sub_config = utils.go_through_dict(key, config)
              del sub_config[key]