Apple has quietly removed or disabled an API meant to allow security software to detect jailbroken devices from afar, only months after adding it to iOS. NetworkWorld reports that the API, introduced in iOS 4.0, was part of a bundle of mobile device management APIs, but is not functional under iOS 4.2. In simple terms, the API allowed security software to remotely query the OS to see if it had been compromised, but according to one security engineer,…