iOS: Use base method to list run configurations

The base method is good enough nowadays.

Change-Id: I1affc678a2168d002ed8f627a56f172e30c1c0be
Reviewed-by: Vikas Pachdha <vikas.pachdha@qt.io>

src/plugins/ios/iosrunconfiguration.h

@@ -69,6 +69,7 @@ signals:
 
 private:
     QString extraId() const final;
+    void doAdditionalSetup(const ProjectExplorer::RunConfigurationCreationInfo &info) final;
 
     void deviceChanges();
     friend class IosRunConfigurationWidget;