Remove unused query attributes

Author: living180

debug_toolbar/panels/sql/tracking.py

@@ -191,8 +191,6 @@ def _record(self, method, sql, params):
                 "params": _params,
                 "raw_params": params,
                 "stacktrace": get_stack_trace(skip=2),
-                "start_time": start_time,
-                "stop_time": stop_time,
                 "is_slow": (
                     duration > dt_settings.get_config()["SQL_WARNING_THRESHOLD"]
                 ),