It seems not only has Baldur's Gate: Enhanched Edition been removed from the App Store under the vague reasoning of "contractual issues", this has halted the latest game patch and development on the sequel as well.
Hopefully whatever is causing this can be sorted out quickly. After all the hard work from the developers to polish up and port this classic RPG the last thing anyone wants is a legal issue tearing things down.
We will have to wait and see what happens.