Project: Improve default implementation of Project::needsConfiguration

Change-Id: Ic4d227334d818658f179c0589462551509274c17
Reviewed-by: hjk <hjk@qt.io>

src/plugins/qbsprojectmanager/qbsproject.h

@@ -134,7 +134,6 @@ private:
 
     void projectLoaded() override;
     ProjectExplorer::ProjectImporter *projectImporter() const override;
-    bool needsConfiguration() const override { return targets().isEmpty(); }
 
     static bool ensureWriteableQbsFile(const QString &file);