* Remove unused `EditorPropertyMember` and related hints, previouly used by
VisualScript. Such logic should be implemented in the VS module itself.
* As the above broke compatibility with the VS module, clean up the other
hacks that were still in core in support of VisualScript.
* `PROPERTY_USAGE_INTERNATIONALIZED` was only used in Object's
`get_translatable_strings()`, which is a legacy function not used anywhere.
So both are removed.
* Reordered some usage flags after the above removal to minimize the diff.
* General clean up.
Fixes#30203.
Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>
0e0a6bb39b