These types are either built-in or 'automatically declared' and so
don't need to be explicitly declared as metatypes.
Change-Id: Ifdce72af844901665c4ebab11507216ba5f00fc1
Reviewed-by: Richard J. Moore <rich@kde.org>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>