'135f1f66 - Disallow converting SPAN models to NCNN (#2763)

[rahmirtrt]

The converted span files were now working.
Why did you disable it?

[RunDevelopment]

We've had multiple reports of converted NCNN models crashing the backend, and I confirmed this myself too before disabling PyTorch to NCNN conversions for SPAN model.

Does upscaling with the converted SPAN models work for you? Just converting SPAN models to NCNN works fine for me too, but using the converted models does not. Here's the chain I used to test converted SPAN models:

If this does work for you, could you please share your system information, so we can figure out why it works for you but not for us? Go to Help > Collect System Information and copy the text it shows.