The Traveler and Lord Kusanali dismantled it. Seems they had some idea of using human wisdom and a gnosis to power a mechanical suit. I'd guess our Archon has the gnosis now and the machine is a pile of scrap in some basement.

[Because, well, after you meet the Traveler you realize what chaos flows through their wake. And they surely didn't leave much of that fake god standing.] Whether you could call it nearly successful is debatable, but they did get extremely far in their plan. That they were able to hide it all the way to that stage...