Documentation suggests excessive environment variables on nvidia GPUs

[ryao]

The documentation says to include DXVK_NVAPI_DRIVER_VERSION=49729 DXVK_NVAPI_ALLOW_OTHER_DRIVERS=1 when enabling latencyflex, but this is unnecessary for people using Nvidia GPUs.

I suggest having a version for Nvidia GPUs and one for everyone else. That way the game will see the actual driver version rather than 497.29, which is out of date.

[ishitatsuyuki]

It does not really matter: feature support in the Windows driver does not necessarily correlate to the Linux driver version. The suggested environment variables are just the tested and least problematic values to use.