[Fix] Fix all the Huggingface paths

[tbarton16]

Motivation

Huggingface changed the paths to the Llama 3.1 models. This change updates all the paths in the repo to point to the correct model.

Modifications

Replace meta-llama/Meta-Llama with meta-llama/Llama

Checklist

• Format your code according to the Contributor Guide.
• [NA] Add unit tests as outlined in the Contributor Guide.
• Update documentation as needed, including docstrings or example tutorials.

[merrymercy]

@tbarton16 Thanks for the contribution!