If you’re an iTunes Match user, you may be happy to know that with yesterday’s release of iOS 6.1, Apple has returned the ability to not only download individual tracks from iCloud on-demand, but also to manually remove specific tracks or even entire albums and artists from your local device storage. Although this capability was present in iOS 5.x, it disappeared with the release of iOS 6.0 for unknown reasons. Now in iOS 6.1, however,…