Remove Your First iOS App by Ash Furrow

README.md

@@ -2509,7 +2509,6 @@ Most of these are paid services, some have free tiers.
 * [Using Swift with Cocoa and Objective C by Apple](https://itunes.apple.com/us/book/using-swift-cocoa-objective/id888894773?mt=11) :large_orange_diamond:
 * [iOS Programming: The Big Nerd Ranch Guide by Christian Keur, Aaron Hillegass, Joe Conway](https://www.bignerdranch.com/books/ios-programming/)
 * [Programming in Objective-C by Stephen G. Kochan](https://www.amazon.com/Programming-Objective-C-6th-Developers-Library/dp/0321967607)
-* [Your First iOS App by Ash Furrow](https://leanpub.com/your-first-ios-app)
 * [The Complete Friday Q & A: Volume 1](https://www.mikeash.com/book.html)
 * [Core Data for iOS: Developing Data-Driven Applications for the iPad, iPhone, and iPod touch](https://www.amazon.com/Core-Data-iOS-Data-Driven-Applications/dp/0321670426)
 * [Cocoa Design Patterns](https://www.amazon.com/Cocoa-Design-Patterns-Erik-Buck/dp/0321535022)