chore: remove unused WeatherParams class and import (openai#82)

Removes the unused `WeatherParams` class and its corresponding `BaseModel` import from `pydantic`.

This code was not referenced anywhere in the script. Removing it reduces clutter.

Co-authored-by: Adarsh N <[email protected]>

Author: adarsh-crafts

examples/agents-sdk-python/example.py

@@ -13,11 +13,6 @@
     function_tool,
 )
 from agents.mcp import MCPServerStdio
-from pydantic import BaseModel
-
-
-class WeatherParams(BaseModel):
-    location: str
 
 
 async def prompt_user(question: str) -> str: