(FilesMAnager) Fixup for 84a7ab777, remove useless constants
(editor) Remove the "Part name" from instance properties

It was copied from the original netqork editor but nobody was able to
remember the use of this property, and where it should be stored.
(dal) Transformations list are inherited from c backend
(transf) Delete unused transformation
(editor) Finally, the Port types don't have to be stored in the diagram