Remove ext_skel generated demo file
Remove ext_skel generated demo file

xiaosl/phptrace,silkCut/phptrace,kmiku7/phptrace,outman/phptrace,fengshao0907/phptrace,tempbottle/phptrace,oikomi/phptrace,Qihoo360/phptrace,narlian/phptrace,three2one/phptrace,oikomi/phptrace,xiaosl/phptrace,tempbottle/phptrace,outman/phptrace,xiaosl/phptrace,kmiku7/phptrace,monque/phptrace,fengshao0907/phptrace,chenwenbin928/phptrace,skyworker/phptrace,narlian/phptrace,outman/phptrace,three2one/phptrace,skyworker/phptrace,three2one/phptrace,oikomi/phptrace,three2one/phptrace,silkCut/phptrace,chenwenbin928/phptrace,oikomi/phptrace,skyworker/phptrace,chenwenbin928/phptrace,tempbottle/phptrace,monque/phptrace,Qihoo360/phptrace,nihaibao/phptrace,nihaibao/phptrace,tempbottle/phptrace,kmiku7/phptrace,narlian/phptrace,fengshao0907/phptrace,chenwenbin928/phptrace,nihaibao/phptrace,silkCut/phptrace,skyworker/phptrace,fengshao0907/phptrace,Qihoo360/phptrace,narlian/phptrace,monque/phptrace,outman/phptrace,nihaibao/phptrace,xiaosl/phptrace,kmiku7/phptrace