Not sure why, happened a week or so ago. You can see the prices (unchanged) if you try to order. Perhaps to allow people to share the page without focusing on money?
Well, I tried you guys. I tried to get Elon to reveal what the extra $50k for the Founder's Edition gives you during my interview with him, but he wouldn't reveal it just yet...
My "manage" your reservation page simply says, "Your Roadster reservation is confirmed. Production is expected to begin in 2020."