pine64-pinebookpro: switch to upstream udev rules

The entries kept locally are now part of the upstream rules. We can rely on those instead and avoid the duplication.

See: https://github.com/eudev-project/eudev/blob/2703baf55615b7554fb67c4f1c241f057f8c0a79/hwdb/60-evdev.hwdb#L625
See: https://github.com/eudev-project/eudev/blob/2703baf55615b7554fb67c4f1c241f057f8c0a79/hwdb/60-keyboard.hwdb#L1526