Adobe Air Runtimeをアンインストールする方法

以下のガイドに従って、 Macだと アプリケーション > ユーティリティ の中に「Adobe Air Uninstaller.app」というのがあるので、これを実行するだけです。

UNINSTALLING ADOBE AIR

Once you have installed Adobe AIR, you can uninstall using the following procedures:

Uninstalling Adobe AIR on a Windows computer

1. In the Windows Start menu, select Settings > Control Panel.
2. Select the Add or Remove Programs control panel.
3. Select "Adobe AIR" to uninstall the runtime.
4. Click the Change/Remove button.

Uninstalling Adobe AIR on a Mac computer

1. Double-click the "Adobe AIR Uninstaller", which is located in the /Applications/Utilities folder.

Uninstalling Adobe AIR on a Linux computer

1. Use the system's package manager to remove the adobeair package.

http://www.adobe.com/support/documentation/en/air/2/releasenotes_users.html#f