deleted feature; deprecated item
Used in computing contexts for a feature, function, or specification that has been removed or is no longer supported.
There are several deleted features in this version.
廃止 is the general act of abolishing or discontinuing something, while 廃止事項 specifically refers to the item or feature that has been abolished.
Compound of 廃止 (abolition, discontinuation) and 事項 (matter, item).