ProjectExplorer: Move ITargetFactory to object pool

Makes multiple target factories per project possible

Reviewed-By: hunger

src/plugins/qmlprojectmanager/qmlproject.h

@@ -72,7 +72,6 @@ public:
     QString id() const;
     Core::IFile *file() const;
     Internal::Manager *projectManager() const;
-    Internal::QmlProjectTargetFactory *targetFactory() const;
     Internal::QmlProjectTarget *activeTarget() const;
 
     QList<ProjectExplorer::Project *> dependsOn();
@@ -127,8 +126,6 @@ private:
     ProjectExplorer::FileWatcher *m_fileWatcher;
 
     Internal::QmlProjectNode *m_rootNode;
-    Internal::QmlProjectTargetFactory *m_targetFactory;
-
 };
 
 } // namespace QmlProjectManager