removed unused variables.
removed unused variables.

saltlab/crawljax-graphdb,aminmf/crawljax,robertzas/crawljax,cschroed-usgs/crawljax,bigplus/crawljax,bigplus/crawljax,aminmf/crawljax,xujun10110/crawljax,adini121/crawljax,crawljax/crawljax,ntatsumi/crawljax,fivejjs/crawljax,fivejjs/crawljax,robertzas/crawljax,adini121/crawljax,robertzas/crawljax,crawljax/crawljax,cschroed-usgs/crawljax,adini121/crawljax,cschroed-usgs/crawljax,xujun10110/crawljax,robertzas/crawljax,xujun10110/crawljax,aminmf/crawljax,fivejjs/crawljax,ntatsumi/crawljax,adini121/crawljax,aminmf/crawljax,ntatsumi/crawljax,ntatsumi/crawljax,saltlab/crawljax-graphdb,xujun10110/crawljax,fivejjs/crawljax,bigplus/crawljax,bigplus/crawljax,crawljax/crawljax,cschroed-usgs/crawljax,crawljax/crawljax