📝 Update source examples and docs from Python 3.9 to 3.10 (#14900)

docs_src/cookie_params/tutorial001_an_py39.py

@@ -1,10 +0,0 @@
-from typing import Annotated, Union
-
-from fastapi import Cookie, FastAPI
-
-app = FastAPI()
-
-
-@app.get("/items/")
-async def read_items(ads_id: Annotated[Union[str, None], Cookie()] = None):
-    return {"ads_id": ads_id}

docs_src/cookie_params/tutorial001_py39.py

@@ -1,10 +0,0 @@
-from typing import Union
-
-from fastapi import Cookie, FastAPI
-
-app = FastAPI()
-
-
-@app.get("/items/")
-async def read_items(ads_id: Union[str, None] = Cookie(default=None)):
-    return {"ads_id": ads_id}