Removed holoviews doc build from README

README.md

@@ -2,7 +2,6 @@
 [![Conda](https://anaconda.org/ioam/holoviews/badges/installer/conda.svg)](https://anaconda.org/ioam/holoviews)
 [![Downloads](https://s3.amazonaws.com/pubbadges/holoviews_current.svg)](https://anaconda.org/ioam/holoviews)
 [![BuildStatus](https://travis-ci.org/ioam/holoviews.svg?branch=master)](https://travis-ci.org/ioam/holoviews)
-[![holoviewsDocs](http://buildbot.holoviews.org:8010/png?builder=website)](http://buildbot.holoviews.org:8010/waterfall)
 [![Coveralls](https://img.shields.io/coveralls/ioam/holoviews.svg)](https://coveralls.io/r/ioam/holoviews)
 [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/ioam/holoviews?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![Binder](https://mybinder.org/badge.svg)](https://mybinder.org/v2/gh/ioam/holoviews/master?filepath=examples)