README: remove gemnasium (#1279)

README.md

@@ -1,13 +1,11 @@
-# Errbit [![TravisCI][travis-img-url]][travis-ci-url] [![Code Climate][codeclimate-img-url]][codeclimate-url] [![Coveralls][coveralls-img-url]][coveralls-url] [![Dependency Status][gemnasium-img-url]][gemnasium-url] [![Deploy](https://www.herokucdn.com/deploy/button.svg)][heroku-deploy-url]
+# Errbit [![TravisCI][travis-img-url]][travis-ci-url] [![Code Climate][codeclimate-img-url]][codeclimate-url] [![Coveralls][coveralls-img-url]][coveralls-url] [![Deploy](https://www.herokucdn.com/deploy/button.svg)][heroku-deploy-url]
 
 [travis-img-url]: https://travis-ci.org/errbit/errbit.svg?branch=master
 [travis-ci-url]: http://travis-ci.org/errbit/errbit
 [codeclimate-img-url]: https://codeclimate.com/github/errbit/errbit.png
 [codeclimate-url]: https://codeclimate.com/github/errbit/errbit
 [coveralls-img-url]: https://coveralls.io/repos/errbit/errbit/badge.png?branch=master
 [coveralls-url]:https://coveralls.io/r/errbit/errbit
-[gemnasium-img-url]:https://gemnasium.com/errbit/errbit.png
-[gemnasium-url]:https://gemnasium.com/errbit/errbit
 [heroku-deploy-url]:https://heroku.com/deploy?template=https://github.com/errbit/errbit/tree/master
 
 ### The open source, self-hosted error catcher