update Readme

Author: patebija

README.md

@@ -1,9 +1,5 @@
 # simple-node-js-react-npm-app
 
-This repository is for the
-[Build a Node.js and React app with npm](https://jenkins.io/doc/tutorials/build-a-node-js-and-react-app-with-npm/)
-tutorial in the [Jenkins User Documentation](https://jenkins.io/doc/).
-
 The repository contains a simple Node.js and React application which generates
 a web page with the content "Welcome to React" and is accompanied by a test to
 check that the application renders satisfactorily.