Use a 'pass' statement since 'maybe_make_parens_invisible_in_atom' cu…

…rrently always returns False for non-atom nodes, making the 'wrap_in_parentheses' call unreachable

src/black/__init__.py

@@ -5382,8 +5382,7 @@ def normalize_invisible_parens(node: Node, parens_after: Set[str]) -> None:
                     node.append_child(Leaf(token.RPAR, ""))
                 break
             elif node.type in [syms.assert_stmt, syms.return_stmt]:
-                if maybe_make_parens_invisible_in_atom(child, parent=node):
-                    wrap_in_parentheses(node, child, visible=False)
+                pass
 
             elif not (isinstance(child, Leaf) and is_multiline_string(child)):
                 wrap_in_parentheses(node, child, visible=False)