chore: Remove unused comment

Author: tony

libtmux/common.py

@@ -413,7 +413,6 @@ def where(self, attrs: D) -> t.List[O]:
         ...
 
     def where(self, attrs: D, first: bool = False) -> t.Union[List[O], O]:
-        # ) -> List[Union["Session", "Pane", "Window", t.Any]]:
         """
         Return objects matching child objects properties.