Removing travis config

Author: vishalnarkhede

.travis.yml

@@ -8,7 +8,7 @@
 > building chat applications.
 
 [![NPM](https://img.shields.io/npm/v/stream-chat-react-native.svg)](https://www.npmjs.com/package/stream-chat-react-native)
-[![Build Status](https://travis-ci.org/GetStream/stream-chat-react-native.svg?branch=master)](https://travis-ci.org/GetStream/stream-chat-react-native)
+![Build Status](https://github.com/GetStream/stream-chat-react-native/workflows/test/badge.svg?branch=master)
 [![Component Reference](https://img.shields.io/badge/docs-component%20reference-blue.svg)](https://getstream.github.io/stream-chat-react-native/)
 
 <img align="right" src="https://getstream.imgix.net/images/ios-chat-tutorial/[email protected]?auto=format,enhance" width="50%" />