Remove Jenkins from README (#3850)

EssX website is PogU, Jenkins is PogO

Author: JRoy

README.md

@@ -1,6 +1,6 @@
 [![EssentialsX](https://i.imgur.com/CP4SZpB.png)](https://essentialsx.net)
 
-[<img alt="Jenkins" src="https://img.shields.io/badge/-Download_from_Jenkins-D24939.svg?logo=jenkins&style=flat-square&logoColor=white" height=32>](http://ci.ender.zone/job/EssentialsX/)
+[<img alt="Dev Builds" src="https://img.shields.io/badge/-Download_dev_builds-D24939.svg?logo=data:image/png;base64,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&style=flat-square&logoColor=white" height=32>](https://essentialsx.net/downloads.html)
 
 [<img alt="Discord" src="https://img.shields.io/badge/-Chat_on_Discord-7289DA.svg?logo=discord&style=flat-square&logoColor=white" height=32>](https://discord.gg/casfFyh)