HID: bpf: Artist24: remove unused variable

warning: unused variable ‘tilt’ [-Wunused-variable]

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Link: https://lore.kernel.org/r/20240608-hid_bpf_struct_ops-v3-12-6ac6ade58329@kernel.org


Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>