chore(auth): explicitly log challenge and response for debugging (#69148)

src/sentry/api/endpoints/auth_index.py

@@ -140,7 +140,6 @@ class AuthIndexEndpoint(BaseAuthIndexEndpoint):
         logger.info(
             "auth-index.validate_superuser",
             extra={
-                "validator": validator,
                 "user": request.user.id,
                 "raise_exception": not DISABLE_SSO_CHECK_FOR_LOCAL_DEV,
                 "verify_authenticator": verify_authenticator,