Update README.md

Author: akme

README.md

@@ -1,6 +1,5 @@
 <p align="center">
     <img src="GitHubListener/Assets.xcassets/AppIcon.appiconset/128.png" width="128" alt="GithubListener"><br/>  
-    <img src="https://discourse-cdn-sjc1.com/business6/uploads/highfidelity/3764/8618cb7af8406f6a.jpg">
 </p>
 
 [![GitHub release](https://img.shields.io/github/release/ad/GithubListener.svg)](https://github.com/ad/GithubListener/releases)