fix: remove unused import

Author: adithayyil

backend/tests/unit/test_auth_endpoints.py

@@ -11,7 +11,6 @@
 from fastapi import FastAPI
 from fastapi.testclient import TestClient
 from typing import Dict, Any, Optional
-from unittest.mock import patch
 
 from api.server_fastapi_router import ServerFastAPIRouter