Remove conditions that aren't used anymore

QT_EDITION and QT_MODULE_GRAPHICSVIEW aren't used anymore.

Change-Id: I73d78a79ce7ca6bb4ab240d49ac0bd749a9ecdb4
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>