use new home for AnyPrecisionAdamW
Author: winglian
Pull request: yes

# What does this PR do?

the original home of AnyPrecisionAdamW in torchdistx is no longer maintained and is now maintained in [llama-recipes](https://github.com/meta-llama/llama-recipes/blob/9b3dabcaac78980eae40005bbc8b1a8276c82af3/src/llama_recipes/policies/anyprecision_optimizer.py#L16)


## Before submitting
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- [ ] Did you write any new necessary tests?


## Who can review?

@muellerz 

Anyone in the community is free to review the PR once the tests have passed. Feel free to tag
members/contributors who may be interested in your PR.

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Comments:
@winglian Before we can merge, we'll need to address the currently failing tests. For this, we'll need to install `llama-recipes` for the runners @ydshieh help with where to make the right changes in the codebase for this 

Ideally this should be installed withing the docker image building.

But before doing so (on our side), it would be great if you can change


> .circleci/create_circleci_config.py

like following and see how the tests go.

```
torch_job = CircleCIJob(
    "torch",
    docker_image=[{"image": "huggingface/transformers-torch-light"}],
    install_steps=["uv venv && uv pip install ." && uv pip install llama-recipes"],
    parallelism=6,
    pytest_num_workers=4
)
```

and 

```
tokenization_job = CircleCIJob(
    "tokenization",
    docker_image=[{"image": "huggingface/transformers-torch-light"}],
    install_steps=["uv venv && uv pip install ." && uv pip install llama-recipes"],
    parallelism=6,
    pytest_num_workers=4
)
```