Remove travis build status

README.md

@@ -2,8 +2,6 @@
 
 [![Join the chat at https://gitter.im/yyuu/pyenv](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/yyuu/pyenv?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-[![Build Status](https://travis-ci.org/pyenv/pyenv.svg?branch=master)](https://travis-ci.org/pyenv/pyenv)
-
 pyenv lets you easily switch between multiple versions of Python. It's
 simple, unobtrusive, and follows the UNIX tradition of single-purpose
 tools that do one thing well.