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/AssemblyTests/TestTEMPLATE.py

@@ -49,9 +49,6 @@ class TestTEMPLATE(unittest.TestCase):
         """
         pass
 
-        # Close geometry document without saving
-        # FreeCAD.closeDocument(FreeCAD.ActiveDocument.Name)
-
     # Setup and tear down methods called before and after each unit test
     def setUp(self):
         """setUp()...