🔥 Remove Python 3.9 specific files, no longer needed after updating translations (#14931)

docs_src/response_status_code/tutorial001_py39.py

@@ -1,8 +0,0 @@
-from fastapi import FastAPI
-
-app = FastAPI()
-
-
-@app.post("/items/", status_code=201)
-async def create_item(name: str):
-    return {"name": name}

docs_src/response_status_code/tutorial002_py39.py

@@ -1,8 +0,0 @@
-from fastapi import FastAPI, status
-
-app = FastAPI()
-
-
-@app.post("/items/", status_code=status.HTTP_201_CREATED)
-async def create_item(name: str):
-    return {"name": name}