Remove checklist item

@brianriley check out these commits, they add headless browser testing for the javascript parts of the checklist item tests. This all runs on travis fine too, here is the build for the last commit in this request (when I made it) https://travis-ci.org/michaelavila/onebacklog.com/builds/9556627

Be sure to read this commit 9377c29 for preparing your local environment