remove npm and Node.js versions from README

Author: beevelop

README.md

@@ -1,8 +1,6 @@
 [![](https://badge.imagelayers.io/beevelop/android-nodejs:latest.svg)](https://imagelayers.io/?images=beevelop/android-nodejs:latest 'Get your own badge on imagelayers.io')
 
-# Android with Node.js based on [beevelop/android](https://github.com/beevelop/docker-android)
-- Node.js 4.2.0
-- npm 2.14.7
+# Android with the latest Node.js based on [beevelop/android](https://github.com/beevelop/docker-android)
 
 ## Disclaimer
 > This is experimental and might break from time to time. Use at your own risk!