message: Remove greenkeeper from readme
diff: # MyCrypto Web & Desktop Apps
  -[![Greenkeeper badge](https://badges.greenkeeper.io/MyCryptoHq/MyCrypto.svg)](https://greenkeeper.io/)
  [![Coverage Status](https://coveralls.io/repos/github/MyCryptoHQ/MyCrypto/badge.svg?branch=develop)](https://coveralls.io/github/MyCryptoHQ/MyCrypto?branch=develop)
  * **Just looking to download?** Grab our [latest release](https://github.com/MyCryptoHQ/MyCrypto/releases).
  