http://www.techradar.com/news/apple-has-removed-the-app-store-from-desktop-itunes

It’s undoubtedly a big week for Apple. With the announcement of the iPhone 8, iPhone X, Apple Watch 3, AirPower wireless charger and Apple TV 4K at its live event, it would be easy for the smaller changes to be missed. 

But that doesn’t mean that small changes aren’t happening. One such change is the streamlining of iTunes for desktop, removing the App Store with the update to 12.7.