refactor: remove tutorials which shut down (#335)

Author: joshinihal

README.md

@@ -262,13 +262,11 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
 
 #### Node:
 
-- [Build A Simple Website With Node,Express and MongoDB](https://closebrace.com/tutorials/2017-03-02/the-dead-simple-step-by-step-guide-for-front-end-developers-to-getting-up-and-running-with-nodejs-express-and-mongodb)
 - [Build a real-time Markdown Editor with NodeJS](https://scotch.io/tutorials/building-a-real-time-markdown-viewer)
 - [Test-Driven Development with Node, Postgres and Knex](http://mherman.org/blog/2016/04/28/test-driven-development-with-node/)
 - Write a Twitter Bot in Node.js
   - [Part 1](https://codeburst.io/build-a-simple-twitter-bot-with-node-js-in-just-38-lines-of-code-ed92db9eb078)
   - [Part 2](https://codeburst.io/build-a-simple-twitter-bot-with-node-js-part-2-do-more-2ef1e039715d)
-- [Create A Simple RESTFUL Web App](https://closebrace.com/tutorials/2017-03-02/creating-a-simple-restful-web-app-with-nodejs-express-and-mongodb)
 - [Build A Simple Search Bot in 30 minutes](https://medium.freecodecamp.org/how-to-build-a-simple-search-bot-in-30-minutes-eb56fcedcdb1)
 - [Build A Job Scraping Web App](https://medium.freecodecamp.org/how-i-built-a-job-scraping-web-app-using-node-js-and-indreed-7fbba124bbdc)
 - [Building a GitHub App](https://blog.scottlogic.com/2017/05/22/gifbot-github-integration.html)