🔥 Remove greenkeeper badge

Author: apertureless

README.md

@@ -8,7 +8,6 @@
 [![Package Quality](http://npm.packagequality.com/shield/vue-chartjs.svg)](http://packagequality.com/#?package=vue-chartjs)
 [![npm](https://img.shields.io/npm/dm/localeval.svg)](https://www.npmjs.com/package/vue-chartjs)
 [![Gitter chat](https://img.shields.io/gitter/room/TechnologyAdvice/Stardust.svg)](https://gitter.im/vue-chartjs/Lobby)
-[![Greenkeeper badge](https://badges.greenkeeper.io/apertureless/vue-chartjs.svg)](https://greenkeeper.io/)
 [![license](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/apertureless/vue-chartjs/blob/master/LICENSE.txt)
 
 # vue-chartjs