[DEPRECATING CHANGE] icons: Deprecate the 'beta' and 'ribbonPrize' icons
[DEPRECATING CHANGE] icons: Deprecate the 'beta' and 'ribbonPrize' icons

Change-Id: Ie450fb5576eabd1359dce6273033001154636af9

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui