Audible removes link to store from iOS app

Link removed 'in order to comply with Apple guidelines'.

Yesterday I reported that I was shocked to find that Audible had a link to its mobile app store built into its iOS app, a move which is in breach of Apple's developer guidelines. Well, the latest update removes that feature.

Here is confirmation from Audible over on iTunes that it's gone:

That didn't last long.

One question remains - how did Audible get this past Apple?