Apple has rolled back the much-hyped change to its iBooks app in the fourth iOS 11.3 beta, seeming to indicate the update isn’t quite ready for a broader release. The app was renamed from iBooks to Books in the first iOS 11.3 developer beta and remained that way through the third beta release, but as of yesterday’s fourth betas of iOS and macOS it has reverted back to iBooks. Reports from January claimed the updated app will eventually…