code: def delete_dataset_cache(*filenames):
      
      for filename in filenames:
          filename = path_string(filename)
          path = config.get_data_path(filename)
          if os.path.exists(path):
              os.remove(path)
docs: Delete the cache (converted files) for a dataset.
  
      Parameters
      ----------
      filenames: str
          Filenames of files to delete