docs: Replace ancient swrast conformance docs with more current information.
I don't think Mesa 4.0 swrast conformance is relevant at this point, just point people to the current Khronos list. Also, add some more information on submitting results.
I don't think Mesa 4.0 swrast conformance is relevant at this point, just point people to the current Khronos list. Also, add some more information on submitting results.