vcl: remove macros in metaact.cxx{hxx}

Macros to reduce code duplication in metaact.cxx are discuraged
as it is not possible to find those classes using "git grep".
Lets find a better way to reduce code duplication for those
classes (some have already been replaced in this commit).

Change-Id: I35c7cd74d6345f37e937754e2d0177b816e0e0fa