Use stricter pyright settings for two more tkinter files (#14356)

Author: AlexWaygood

pyrightconfig.stricter.json

@@ -18,10 +18,8 @@
         "stdlib/optparse.pyi",
         "stdlib/_tkinter.pyi",
         "stdlib/tkinter/__init__.pyi",
-        "stdlib/tkinter/commondialog.pyi",
         "stdlib/tkinter/filedialog.pyi",
         "stdlib/tkinter/dialog.pyi",
-        "stdlib/tkinter/messagebox.pyi",
         "stdlib/tkinter/scrolledtext.pyi",
         "stdlib/tkinter/tix.pyi",
         "stdlib/tkinter/ttk.pyi",