修复预警气泡消失后前车模型消失；

modules/mogo-module-obu-mogo/src/main/java/com/mogo/module/obu/mogo/utils/TrafficDataConvertUtils.kt

@@ -20,7 +20,7 @@ object TrafficDataConvertUtils {
      * OBU 远车 转换交通元素数据
      */
     fun cvxRvInfoIndInfo2TrafficData(info: CvxRvInfoIndInfo): TrafficData? {
-        if (info.basic_info == null || info.basic_info.position == null || info.threat_infos == null) {
+        if (info.basic_info == null || info.basic_info.position == null) {
             Logger.e(TAG, "cvxRvInfoIndInfo2TrafficData  数据转换异常，请检查参数是否齐全")
             return null
         }