qds: remove redundant "QtStudio" feature

Nowadays, the decision which wizards will be shown are
done throw the StudioWelcome plugin if it is initialized or not.

Change-Id: Ief95fa8f813408522ac43c31dd6f4ffb069338d0
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/studiowelcome/wizardfactories.cpp

@@ -70,8 +70,7 @@ void WizardFactories::filter()
 {
     QList<JsonWizardFactory *> acceptedFactories = Utils::filtered(m_factories, [&](auto *wizard) {
         return wizard->isAvailable(m_platform)
-               && wizard->kind() == JsonWizardFactory::ProjectWizard
-               && wizard->requiredFeatures().contains("QtStudio");
+               && wizard->kind() == JsonWizardFactory::ProjectWizard;
     });
 
     m_factories = acceptedFactories;