Remove redundant roots_seat_remove_device function
This function is unimplemented and is redundant because all devices added
with roots_seat_add_device get destruction handlers assigned already.
This fixes issue
@@ -94,9 +94,6 @@ void roots_seat_destroy(struct roots_seat *seat);
void roots_seat_add_device(struct roots_seat *seat,
struct wlr_input_device *device);
-void roots_seat_remove_device(struct roots_seat *seat,
- struct wlr_input_device *device);
-
void roots_seat_configure_cursor(struct roots_seat *seat);
void roots_seat_configure_xcursor(struct roots_seat *seat);
