Since assembly is not specific to concrete should AssemblyPlace be removed from Pset_ConcreteElementGeneral

[Moult]

From @TLiebich : assembly is not specific to concrete. The assembly property should be not specific to the Pset_ConcreteElementGeneral.

So should we move it to some of the element-specific psets then?

http://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/IfcElement.htm#5.4.3.18.4-Property-sets

Originally posted by @aothms in https://github.com/buildingSMART/IFC4.3.x-development/issues/42#issuecomment-1055862245