Begin of the insertionThis is an umbrella ticket for the cleanup work that follows the shift from version-backed Backlogs behaviour to dedicated sprint objects.

The goal is to remove transitional code, reduce complexity, and create a stable foundation for further Backlogs work in 17.4.

In particular, this umbrella covers:

End of the insertion * Begin of the insertionremoval of the `scrum_projects`End of the insertion Begin of the deletion Remove

* End of the deletion feature flag Begin of the insertionand its dead branches

End of the insertion Begin of the deletion

End of the deletion * Begin of the insertionroute consolidation and simplification

End of the insertion Begin of the deletion taskboard incl. js code

End of the deletion * Begin of the insertionnaming and namespacing cleanup

End of the insertion Begin of the deletion version patches incl settings

End of the deletion * Begin of the insertionremoval of the separate Backlogs styles entry point

End of the insertion Begin of the deletion impediment controller

End of the deletion * Begin of the insertionfinal removal of the legacy `Sprint < Version` model


**The main objective is consistency with the rest of OpenProject, better adherence to Rails conventions, and improved maintainability and discoverability for future Backlogs work.**End of the insertion Begin of the deletion task controller

* story controller

* ...

* <br>End of the deletion