Clean out unused deps

[isaacbmiller]

1 of N:

Removed:

1. Rich - not used anywhere except a tutorial that shows the install separately (docs/docs/tutorials/ai_text_game/index.md)
2. Tenacity - not used anywhere. Needed by litellm but not listed
3. Backoff - not used anywhere
4. joblib - not used anywhere

Follow on PRs:
Numpy?
Optuna

To investigate through:

"openai>=0.28.1",
"regex>=2023.10.3",
"tqdm>=4.66.1",
"requests>=2.31.0",
"optuna>=3.4.0",
"magicattr>=0.1.6",
"tenacity>=8.2.3",
"anyio",
"asyncer==0.0.8",
"cachetools>=5.5.0",
"cloudpickle>=3.0.0",
"rich>=13.7.1",
"pillow>=10.1.0",
"numpy>=1.26.0",
"xxhash>=3.5.0",