Update README.md

Author: jjw24

README.md

@@ -2,7 +2,6 @@
 
 <p align="center">
 <a href="https://github.com/Flow-Launcher/Prereleases/releases"><img src="https://img.shields.io/github/downloads/Flow-Launcher/Prereleases/total.svg"></a>
-<img src="https://img.shields.io/github/release-date/Flow-Launcher/Prereleases">
 <a href="https://github.com/Flow-Launcher/Prereleases/releases/latest"><img src="https://img.shields.io/github/v/release/Flow-Launcher/Prereleases"></a>
 </p>