Remove gitter from README

README.md

@@ -1,4 +1,4 @@
-# Animate.css [![GitHub release](https://img.shields.io/github/release/daneden/animate.css.svg)](https://github.com/daneden/animate.css/releases) [![CDNJS](https://img.shields.io/cdnjs/v/animate.css.svg)](https://cdnjs.com/libraries/animate.css) [![Build Status](https://travis-ci.com/daneden/animate.css.svg?branch=master)](https://travis-ci.com/daneden/animate.css) [![devDependencies Status](https://david-dm.org/daneden/animate.css/dev-status.svg)](https://david-dm.org/daneden/animate.css?type=dev) [![chat](https://img.shields.io/badge/chat-gitter-green.svg)](https://gitter.im/animate-css/Lobby) [![npm version](https://badge.fury.io/js/animate.css.svg)](https://www.npmjs.com/package/animate.css)
+# Animate.css [![GitHub release](https://img.shields.io/github/release/daneden/animate.css.svg)](https://github.com/daneden/animate.css/releases) [![CDNJS](https://img.shields.io/cdnjs/v/animate.css.svg)](https://cdnjs.com/libraries/animate.css) [![Build Status](https://travis-ci.com/daneden/animate.css.svg?branch=master)](https://travis-ci.com/daneden/animate.css) [![devDependencies Status](https://david-dm.org/daneden/animate.css/dev-status.svg)](https://david-dm.org/daneden/animate.css?type=dev) [![npm version](https://badge.fury.io/js/animate.css.svg)](https://www.npmjs.com/package/animate.css)
 
 > **We need your help!** animate.css v4 is in the work with lots of improvements and some breaking changes, including CSS custom properties support (aka CSS variables) and classes prefix for a safer use. We need **your feedback**! You can follow the development on the [`dev`](https://github.com/daneden/animate.css/tree/dev) branch and give your feedback on the [issue tracker](https://github.com/daneden/animate.css/issues).
 **Every feedback is welcome!**