remove str option for quantization config in torchao (#13291)
* remove str option for quantization config in torchao
* Apply style fixes
* minor fixes
* Added AOBaseConfig docs to torchao.md
* minor fixes for removing str option torchao
* minor change to add back int and uint check
* minor fixes
* minor fixes to tests
* Update tests/quantization/torchao/test_torchao.py
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* Update docs/source/en/quantization/torchao.md
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* Update tests/quantization/torchao/test_torchao.py
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
* version=2 update to test_torchao.py
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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>