gtk/accel.go
func (v *Window) RemoveAccelGroup(accelGroup *AccelGroup) {
	C.gtk_window_remove_accel_group(v.native(), accelGroup.native())
}
func (v *Window) RemoveAccelGroup(accelGroup *AccelGroup) {
	C.gtk_window_remove_accel_group(v.native(), accelGroup.native())
}
// RemoveAccelGroup() is a wrapper around gtk_window_add_accel_group().