code: def clean_file(config_file):
          
          logging.info('[begin] Cleaning config file')
          config = GroupConfigFile(config_file=config_file)
  
          if config.is_fresh() is True:
              raise ValueError("Config is already clean.")
          config.make_fresh()
          logging.info('[end] Cleaned config file:{0}'.format(config_file))
docs: Clean all provisioned artifacts from the local config file.
  
          :param config_file: config file of the group to clean