Remove broken demo link

Author: brentvatne

README.md

@@ -16,8 +16,6 @@ the animations behind this work, check out the Rebound section of the
 <a href="https://raw.githubusercontent.com/brentvatne/react-native-scrollable-tab-view/master/demo.gif"><img src="https://raw.githubusercontent.com/brentvatne/react-native-scrollable-tab-view/master/demo.gif" width="350"></a>
 <a href="https://raw.githubusercontent.com/brentvatne/react-native-scrollable-tab-view/master/demo-fb.gif"><img src="https://raw.githubusercontent.com/brentvatne/react-native-scrollable-tab-view/master/demo-fb.gif" width="350"></a>
 
-[Try out a slightly out of date version here on rnplay.org](https://rnplay.org/apps/qHU_5w)
-
 ## Basic usage
 
 ```javascript