Removed unused # noqa: F403 (#7032)

stdlib/curses/__init__.pyi

@@ -2,7 +2,7 @@ import sys
 from typing import Any, Callable, TypeVar
 
 if sys.platform != "win32":
-    from _curses import *  # noqa: F403
+    from _curses import *
     from _curses import _CursesWindow as _CursesWindow
 
     _T = TypeVar("_T")