Remove Zalenium

Fix #2163

README.md

@@ -1393,7 +1393,6 @@ _See [awesome-sysadmin/Continuous Integration & Continuous Deployment](https://g
 
 - [Uier](https://github.com/sjoerdvanderhoorn/Uier) - Codeless or low-code User Experience test editing and management using Selenium to perform testing or UI automation. Uier tends to be a free self hostable alternative to Applitools, Endtest, Ghost Inspector, Usetrace, Screenster and many others. `Apache-2.0` `Nodejs`
 - [Selenoid](http://aerokube.com/selenoid/latest/) - Lightweight Selenium hub implementation launching browsers within Docker containers. ([Source Code](https://github.com/aerokube/selenoid)) `Apache-2.0` `Go`
-- [Zalenium](https://github.com/zalando/zalenium) - Allows anyone to have a disposable and flexible Docker-based Selenium Grid infrastructure featuring video recording, live preview and online/offline dashboards. `Apache-2.0` `Java/Shell`
 
 ### FaaS/Serverless