Update README.md (#2215)

Author: futreall

README.md

@@ -257,7 +257,6 @@ Or even testing the app and bringing up critical issues. The following have help
 - Shane Vitarana [shanev](https://github.com/shanev)
 - Billy Rennekamp [okwme](https://github.com/okwme)
 - Westaking [westaking](https://github.com/westaking)
-- Marko [marbar3778](https://github.com/marbar3778)
 - JayB [kogisin](https://github.com/kogisin)
 - Rick Dudley [AFDudley](https://github.com/AFDudley)
 - KamiD [KamiD](https://github.com/KamiD)