QmlProjectRunConfiguraiton: Simplify code

Change-Id: I392e5ee1fcf89b4e4d871fa5935f065f29a67f1e
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/qmlprojectmanager/qmlprojectrunconfiguration.h

@@ -87,6 +87,8 @@ public:
     QVariantMap toMap() const;
 
     ProjectExplorer::Abi abi() const;
+signals:
+    void scriptSourceChanged();
 
 private slots:
     void changeCurrentFile(Core::IEditor* = 0);
@@ -113,8 +115,6 @@ private:
     QString m_scriptFile;
     QString m_qmlViewerArgs;
 
-    QPointer<Internal::QmlProjectRunConfigurationWidget> m_configurationWidget;
-
     bool m_isEnabled;
 };