qtwayland: remove unnecessary header install
qtwayland: remove unnecessary header install

Installation of the generated headers was fixed in qtbase v5.3.2

Signed-off-by: Samuli Piippo <bc256dddab7848ac60359ced88151c0ee7641767@theqtcompany.com>
Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>

schnitzeltony/meta-qt5,meta-qt5/meta-qt5,opendreambox/meta-qt5,opendreambox/meta-qt5,jruffin/meta-qt5,timopulkkinen/meta-qt5,opendreambox/meta-qt5,meta-qt5/meta-qt5,timopulkkinen/meta-qt5,kraj/meta-qt5,kraj/meta-qt5,timopulkkinen/meta-qt5,jruffin/meta-qt5,timopulkkinen/meta-qt5,schnitzeltony/meta-qt5,sapiippo/meta-qt5,sapiippo/meta-qt5