drop ellipsis assignments from module vars, classvars and instance attrs (#5914)

Signed-off-by: oleg.hoefling <oleg.hoefling@gmail.com>

stdlib/tkinter/dialog.pyi

@@ -4,7 +4,7 @@ from typing import Any, Mapping
 DIALOG_ICON: str
 
 class Dialog(Widget):
-    widgetName: str = ...
-    num: int = ...
+    widgetName: str
+    num: int
     def __init__(self, master: Any | None = ..., cnf: Mapping[str, Any] = ..., **kw) -> None: ...
     def destroy(self) -> None: ...