I would have to imagine this is an accident or rogue vandalism -- I don't think USGOV is trying to stealth-edit the constitution by truncating the last 18 paragraphs of Article I.
Why not? Congress is meant to be a check on the other branches of government (though the filibuster rule / partisan omnibus bill system has degraded its collective will, which is why they won't do anything), so pre-emptively removing the powers of congress from the list sounds like a power grab. It's not like it's something completely irrelevant. Same for the limitations of government listed there. Besides, the thing…
Maybe they didn’t find any meaningful waste with their random Python scripts, but at least they got to own the libs.