Remove build status indicator now that the project is integrated with GitHub's actions

Author: rpetrich

README.md

@@ -3,8 +3,6 @@ babel-plugin-transform-async-to-promises
 
 Babel plugin to transform `async` functions containing `await` expressions to the equivalent chain of `Promise` calls with use of minimal helper functions.
 
-[![Build Status](https://travis-ci.org/rpetrich/babel-plugin-transform-async-to-promises.svg?branch=master)](https://travis-ci.org/rpetrich/babel-plugin-transform-async-to-promises)
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 ### Input:
 
 ```javascript