* removes unused classes and gh schema constructors
* additional cleanup of backwards compatibility (v2)
* Update Arc.cs
* updates unit tests
* re-adds bbox to box
* updates tests
* pr fixes for backwards compatibility
* Uses a new objects test in Revit for serialization tests
* format
* updates revit model curve class to inherit from curve geometry, and adds deprecated v2 classes
* fixes transform unit tests
* fixes deprecated speckle type
* removes unnecessary new revit curve classes
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Co-authored-by: Adam Hathcock <adam@hathcock.uk>
Co-authored-by: Alan Rynne <alan@rynne.es>