Island: Remove comment about 500 HTTP status code in clear_caches.py

monkey/monkey_island/cc/resources/blackbox/clear_caches.py

@@ -35,8 +35,6 @@ class ClearCaches(AbstractResource):
 
         if ReportService.is_report_generated() or AttackReportService.is_report_generated():
             logger.error(NOT_ALL_REPORTS_DELETED)
-            # API Spec: Why is this 500? 500 should be returned in case an exception occurs on the
-            # server. 40x makes more sense.
             flask_restful.abort(500, error_info=NOT_ALL_REPORTS_DELETED)
 
         return {"success": "true"}