MOD: assembly clean (#20557)

* MOD: assembly clean

clean code

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update AssemblyLink.cpp

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/Mod/Assembly/UtilsAssembly.py

@@ -109,7 +109,6 @@ def number_of_components_in(assembly):
         if not obj.isDerivedFrom("App::GeoFeature"):
             continue
 
-        # if obj.isDerivedFrom("App::DatumElement") or obj.isDerivedFrom("App::LocalCoordinateSystem"):
         if obj.isDerivedFrom("App::Origin"):
             # after https://github.com/FreeCAD/FreeCAD/pull/16675 merges,
             # replace the App::Origin test by the one above