I don't believe this to be true. We've seen quite a few technologies, which promised to "let anyone code", without any real success, whereas to "let AI code" is even harder than letting your boss. At the very least, I expect we'd need another 2 or 3 major, paradigm-shifting, breakthroughs to get computers sophisticated enough to program themselves, which is still 50-60 years away.
I mean, that's my gut feeling; we'll see how it plays out, but for now I'm still not really worried about my job disappearing.