tablet protocol exposes a superfluous `finger` type
"finger" is in the tablet-unstable-v2 protocol but not in libinput:
Edit by @whot: Originally filed as libinput bug, moved to wayland-protocols because this is a copy/paste issue. The kernel uses
BTN_TOOL_FINGER as the marker that something is a touchpad/touchscreen but we don't handle those devices through the tablet protocol. This needs to be removed.