Update Greenkeeper badge position in README

Author: ryanhefner

README.md

@@ -4,7 +4,6 @@
 [![npm](https://img.shields.io/npm/l/express.svg)](LICENSE)
 [![Coverage Status](https://coveralls.io/repos/github/ryanhefner/react-scroll-trigger/badge.svg?branch=master)](https://coveralls.io/github/ryanhefner/react-scroll-trigger?branch=master)
 [![CircleCI](https://circleci.com/gh/ryanhefner/react-scroll-trigger.svg?style=shield)](https://circleci.com/gh/ryanhefner/react-scroll-trigger)
-
 [![Greenkeeper badge](https://badges.greenkeeper.io/ryanhefner/react-scroll-trigger.svg)](https://greenkeeper.io/)
 
 React component that monitors `scroll` events to trigger callbacks when it enters,