Remove mm compatible modules

[sungchul2]

Summary

This PR includes:

• Remove mm compatible modules
  • otx/core (model, data, exporter, utils)
  • otx/recipe
• Update docstrings and tests

**TODO : documentation should be updated such as https://github.com/openvinotoolkit/training_extensions/blob/develop/docs/source/guide/explanation/product_design.rst

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have ran e2e tests and there is no issues.
• I have added the description of my changes into CHANGELOG in my target branch (e.g., CHANGELOG in develop).​
• I have updated the documentation in my target branch accordingly (e.g., documentation in develop).
• I have linked related issues.

License

• I submit my code changes under the same Apache License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2024 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

[sungchul2]

For reviewers, please let me know if something that shouldn't have been removed or updated was removed or updated, or vice versa.