Add missing QtQuick.Controls/Dialogs/Layouts type descriptions

Task-number: QTBUG-31012
Change-Id: Ic19cc79faaa71a09724445cf961ec16cf16fcbb4
(cherry picked from commit 4dd4bff88601f8092562dfe2082ead360cad90e0)
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: J-P Nurmi <jpnurmi@digia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>
Remove duplicate module dependencies from qbs files.

These cause a warning now.

Change-Id: I4c4e9c3e11e7f97e66a4bcdd708489fafc8f0606
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>