fix(ops): 修复Go代码格式问题

backend/internal/handler/admin/ops_settings_handler.go

@@ -192,4 +192,3 @@ func (h *OpsHandler) UpdateMetricThresholds(c *gin.Context) {
 	}
 	response.Success(c, updated)
 }
-

backend/internal/service/ops_settings.go

@@ -553,4 +553,3 @@ func (s *OpsService) UpdateMetricThresholds(ctx context.Context, cfg *OpsMetricT
 	_ = json.Unmarshal(raw, updated)
 	return updated, nil
 }
-