fixup! fixup! Improve auto-adding of save_result (#623, #401, #583, #391)

Author: soxofaan

openeo/rest/datacube.py

@@ -2149,7 +2149,6 @@ def download(
             (overruling the connection's ``auto_validate`` setting).
         :return: None if the result is stored to disk, or a bytes object returned by the backend.
         """
-        # TODO #401/#449 don't guess/override format if there is already a save_result with format?
         weak_format = guess_format(outputfile) if outputfile else None
         cube = self._ensure_save_result(format=format, options=options, weak_format=weak_format, method="Download")
         return self._connection.download(cube.flat_graph(), outputfile, validate=validate)