Remove useless variable
Remove useless variable

allen-zkm/tsar,xdddyzxzjyqc/monitorhp,xdddyzxzjyqc/monitorhp,efengcloud/tsar,leexingwang/tsar,kongjian/tsar,billychou/tsar,justintung/tsar,kongjian/tsar,bkeep/tsar,efengcloud/tsar,bkeep/tsar,tangyiyong/tsar,alibaba/tsar,alibaba/tsar,justintung/tsar,allen-zkm/tsar,tangyiyong/tsar,billychou/tsar,leexingwang/tsar