linting fix

Author: Karthikeyannhs

src/eligibility_signposting_api/config/config.py

@@ -4,7 +4,6 @@
 from functools import cache
 from typing import Any, NewType
 
-from pythonjsonlogger.json import JsonFormatter
 from yarl import URL
 
 from eligibility_signposting_api.contextvars_manager import request_id_var