docs: update readme

Author: harttle

README.md

@@ -4,7 +4,6 @@
 [![Build Status](https://travis-ci.org/harttle/liquidjs.svg?branch=master)](https://travis-ci.org/harttle/liquidjs)
 [![Coveralls](https://img.shields.io/coveralls/harttle/liquidjs.svg)](https://coveralls.io/github/harttle/liquidjs?branch=master)
 [![dependencies](https://img.shields.io/david/harttle/liquidjs.svg)](https://david-dm.org/harttle/liquidjs)
-[![All Contributors](https://img.shields.io/badge/all_contributors-20-orange.svg?style=flat-square)](#contributors-)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/harttle/liquidjs)
 [![GitHub issues](https://img.shields.io/github/issues-closed/harttle/liquidjs.svg)](https://github.com/harttle/liquidjs/issues)
 [![GitHub contributors](https://img.shields.io/github/contributors/harttle/liquidjs.svg)](https://github.com/harttle/liquidjs/graphs/contributors)