docs(readme): remove zenhub

README.md

@@ -1,13 +1,12 @@
 # aurelia-path
 
 [![npm Version](https://img.shields.io/npm/v/aurelia-path.svg)](https://www.npmjs.com/package/aurelia-path)
-[![ZenHub](https://raw.githubusercontent.com/ZenHubIO/support/master/zenhub-badge.png)](https://zenhub.io)
 [![Join the chat at https://gitter.im/aurelia/discuss](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/aurelia/discuss?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![CircleCI](https://circleci.com/gh/aurelia/path.svg?style=shield)](https://circleci.com/gh/aurelia/path)
 
 This library is part of the [Aurelia](http://www.aurelia.io/) platform and contains utilities for path manipulation.
 
-> To keep up to date on [Aurelia](http://www.aurelia.io/), please visit and subscribe to [the official blog](http://blog.aurelia.io/) and [our email list](http://eepurl.com/ces50j). We also invite you to [follow us on twitter](https://twitter.com/aureliaeffect). If you have questions, please [join our community on Gitter](https://gitter.im/aurelia/discuss) or use [stack overflow](http://stackoverflow.com/search?q=aurelia). Documentation can be found [in our developer hub](http://aurelia.io/hub.html). If you would like to have deeper insight into our development process, please install the [ZenHub](https://zenhub.io) Chrome or Firefox Extension and visit any of our repository's boards.
+> To keep up to date on [Aurelia](http://www.aurelia.io/), please visit and subscribe to [the official blog](http://blog.aurelia.io/) and [our email list](http://eepurl.com/ces50j). We also invite you to [follow us on twitter](https://twitter.com/aureliaeffect). If you have questions, please [join our community on Gitter](https://gitter.im/aurelia/discuss) or use [stack overflow](http://stackoverflow.com/search?q=aurelia). Documentation can be found [in our developer hub](http://aurelia.io/hub.html).
 
 ## Platform Support