Update README.md (#1451)

remove broken Article link

Author: kapekost

README.md

@@ -604,7 +604,6 @@ You can deploy JSON Server. For example, [JSONPlaceholder](http://jsonplaceholde
 * [Node Module Of The Week - json-server](http://nmotw.in/json-server/)
 * [ng-admin: Add an AngularJS admin GUI to any RESTful API](http://marmelab.com/blog/2014/09/15/easy-backend-for-your-restful-api.html)
 * [Fast prototyping using Restangular and Json-server](https://glebbahmutov.com/blog/fast-prototyping-restangular-and-json-server/)
-* [Create a Mock REST API in Seconds for Prototyping your Frontend](https://coligo.io/create-mock-rest-api-with-json-server/)
 * [No API? No Problem! Rapid Development via Mock APIs](https://medium.com/@housecor/rapid-development-via-mock-apis-e559087be066#.93d7w8oro)
 * [Zero Code REST With json-server](https://dzone.com/articles/zero-code-rest-with-json-server)