remove spaces from example node endpoints
remove spaces from example node endpoints

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