travis-prompted unused var cleanup
travis-prompted unused var cleanup

ericf89/reflux-core,williamle8300/refluxjs,VanTanev/refluxjs,H3Chief/reflux-core,goatslacker/refluxjs,simonvizzini/refluxjs,GerHobbelt/refluxjs,reflux/refluxjs,VasylHryha/refluxjs,Sipree/reflux-core,uniphil/refluxjs,Mayho/refluxjs,spoike/refluxjs,lishengzxc/refluxjs,insionng/refluxjs,Sipree/refluxjs,StephenGrider/refluxjs,robert-chiniquy/refluxjs,bsingr/refluxjs,reflux/reflux-core,vebin/refluxjs,misnet/refluxjs,watonyweng/refluxjs,yetone/refluxjs,taskworld/refluxjs,sahat/refluxjs,mjhlybmwq/refluxjs,juliankrispel/refluxjs