Remove broken asciinema.

Author: udhos

README.md

@@ -1,6 +1,5 @@
 [![license](http://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/udhos/update-golang/blob/master/LICENSE)
 [![Travis Build Status](https://travis-ci.org/udhos/update-golang.svg?branch=master)](https://travis-ci.org/udhos/update-golang)
-[![asciicast](https://asciinema.org/a/INSenxRRfgfC9TgO1jq9zVk8a.png)](https://asciinema.org/a/INSenxRRfgfC9TgO1jq9zVk8a)
 
 # update-golang
 update-golang is a script to easily fetch and install new Golang releases with minimum system intrusion.