Drop NVreg_OpenRmEnableUnsupportedGpus=1 since its deprecated and no longer required
This has been deprecated in upstream and also ignored. There are no reasons to ship this. see: https://github.com/NVIDIA/open-gpu-kernel-modules/blob/550.78/kernel-open/nvidia/nv-reg.h#L771-L778
Signed-off-by: Peter Jung admin@ptr1337.dev