remove unused code
remove unused code

i/tchannel,savaki/tchannel,savaki/tchannel,benfleis/tchannel,RyanTech/tchannel,vanloswang/tchannel,hustxiaoc/tchannel,bunnyblue/tchannel,sasa233/tchannel,bunnyblue/tchannel,RyanTech/tchannel,Zirpon/tchannel,Zirpon/tchannel,vanloswang/tchannel,benfleis/tchannel,sasa233/tchannel,i/tchannel,benfleis/tchannel,bunnyblue/tchannel,chenwenbin928/tchannel,RyanTech/tchannel,sasa233/tchannel,i/tchannel,savaki/tchannel,vanloswang/tchannel,hustxiaoc/tchannel,hustxiaoc/tchannel,chenwenbin928/tchannel,Zirpon/tchannel,chenwenbin928/tchannel