remove lingering type checking chunk

Author: hrodmn

scripts/service-auth-example.py

@@ -1,14 +1,10 @@
 #!/usr/bin/env python3
 import json
-from typing import TYPE_CHECKING
 
 import boto3
 import pydantic
 import requests
 
-if TYPE_CHECKING:
-    pass
-
 
 def get_token(config: "CognitoClientDetails") -> "Creds":
     response = requests.post(