==================
- Remove unused ``Step.closeout`` [152]
- Remove unused ``Pipeline.set_input_filename``, ``Step.name_format``,
``Step.resolve_file_name``, ``format`` argument to ``Step.save_model``,
``name_format``, ``component_format`` and ``separator`` arguments to
``Step._make_output_path`` and ``Step.reference_uri_to_cache_path``. [154]