优化 数据导出 内存 爆问题

service-common/src/main/java/com/java110/common/cmd/machineTranslate/MachineUploadCarLogCmd.java

@@ -51,7 +51,6 @@ import com.java110.utils.exception.CmdException;
 import com.java110.utils.lock.DistributedLock;
 import com.java110.utils.util.Assert;
 import com.java110.utils.util.DateUtil;
-import com.sun.tools.javah.Gen;
 import org.springframework.beans.factory.annotation.Autowired;
 
 import java.util.ArrayList;