Updated contributing section

Author: Marc Rooding

README.md

@@ -84,7 +84,7 @@ cucumberOpts: {
 ```
 
 ## Contributing
-In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using [Grunt](http://gruntjs.com/).
+In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality.
 
 ## Copyright