Making manjaro use nonfree drivers by default

[cscs]

@Shranos

Device-1: NVIDIA TU104 [GeForce RTX 2070 SUPER] vendor: eVga.com.
driver: nvidia v: 440.82 bus ID: 01:00.0 chip ID: 10de:1e84
Display: x11 server: X.Org 1.20.8 driver: nvidia compositor: kwin_x11

looks like proprietary to me @Takei