Remove History section and update link to quickstart

Author: sarahs

api/ruby/building-your-first-github-app/README.md

@@ -1,19 +1,13 @@
-This is the sample project built by following the "[Build Your First GitHub App](https://developer.github.com/apps/build-your-first-github-app)" quickstart guide on developer.github.com.
+This is the sample project built by following the "[Building Your First GitHub App](https://developer.github.com/apps/building-your-first-github-app)" Quickstart guide on developer.github.com.
 
 It consists of two different servers: `server.rb` (boilerplate) and `advanced_server.rb` (completed project).
 
 ## Install and run
 
 To run the code, make sure you have [Bundler](http://gembundler.com/) installed; then type `bundle install` on the command line.
 
-For the boilerplate project, type `ruby server.rb` on the command line.
+* For the boilerplate project, type `ruby server.rb` on the command line.
 
-For the completed project, enter `ruby advanced_server.rb` on the command line.
+* For the completed project, enter `ruby advanced_server.rb` on the command line.
 
 Both commands will run the server at `localhost:4567`.
-
-## History
-
-The original author is @DEGoodmanWilson, and the original source is https://github.com/DEGoodmanWilson/app-boilerplate.
-
-The @github/product-docs-ecosystem team ported the code here and added `advanced_server.rb` while editing the guide before publishing it.