Yes, I did pull the prepatched 812S@832S firmware from my site. The file that emperor links to no longer contains 812S@832S and only has 51S@832S.
Why did I do this?
The 812S@832S prepatched firmware is essentially identical to taking an unscrambled 832S stock firmware, loading it in OmniPatcher, and clicking the "enable crossflashing" box. However many people have failed to recognize that there isn't anything special about the pre-patched 812S@832S firmware and that it's the same as an OmniPatched stock 832S firmware. As a result, we got lots of questions asking "should I use the prepatched 812S@832S firmware or should I use OmniPatcher on the stock firmware?" Instead of getting more of those questions and having to respond "um, they're the same" each time, we have decided to reduce the amount of confusion by pulling the prepatched 812S@832S firmware.
It's also a good idea to get people into the habit of using OP to create their own 812S@832S instead of relying on us to put out a prepatched version.