Utils::Wizard: Move hack out of the base class

Implement it instead where it is needed.

Change-Id: If7f76bcfa82705936b555a5ebfc221978c70e106
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

src/libs/utils/wizard.cpp

@@ -384,12 +384,6 @@ WizardProgress *Wizard::wizardProgress() const
     return d->m_wizardProgress;
 }
 
-bool Wizard::validateCurrentPage()
-{
-    emit nextClicked();
-    return QWizard::validateCurrentPage();
-}
-
 bool Wizard::hasField(const QString &name) const
 {
     return d_ptr->m_fieldNames.contains(name);