[remove import *][2/n] remove rest of import * in implementations (#690)

# What does this PR do?

- see https://github.com/meta-llama/llama-stack/pull/689
<img width="591" alt="image"
src="https://github.com/user-attachments/assets/76946a67-7373-43b5-8a03-0ad201aa543b"
/>

- leaving `tools/builtin.py` to avoid conflicts


## Test Plan

- see https://github.com/meta-llama/llama-stack/pull/689

## Sources

Please link relevant resources if necessary.


## Before submitting

- [ ] This PR fixes a typo or improves the docs (you can dismiss the
other checks if that's the case).
- [ ] Ran pre-commit to handle lint / formatting issues.
- [ ] Read the [contributor
guideline](https://github.com/meta-llama/llama-stack/blob/main/CONTRIBUTING.md),
      Pull Request section?
- [ ] Updated relevant documentation.
- [ ] Wrote necessary unit or integration tests.

llama_stack/cli/model/safety_models.py

@@ -6,11 +6,12 @@
 
 from typing import Any, Dict, Optional
 
-from pydantic import BaseModel, ConfigDict, Field
-
-from llama_models.datatypes import *  # noqa: F403
+from llama_models.datatypes import CheckpointQuantizationFormat
+from llama_models.llama3.api.datatypes import SamplingParams
 from llama_models.sku_list import LlamaDownloadInfo
 
+from pydantic import BaseModel, ConfigDict, Field
+
 
 class PromptGuardModel(BaseModel):
     """Make a 'fake' Model-like object for Prompt Guard. Eventually this will be removed."""