Update typing_extensions imports in stdlib (#11244)

Co-authored-by: AlexWaygood <alex.waygood@gmail.com>

stdlib/tkinter/__init__.pyi

@@ -5,8 +5,8 @@ from collections.abc import Callable, Mapping, Sequence
 from tkinter.constants import *
 from tkinter.font import _FontDescription
 from types import TracebackType
-from typing import Any, Generic, NamedTuple, TypeVar, overload, type_check_only
-from typing_extensions import Literal, TypeAlias, TypedDict, TypeVarTuple, Unpack, deprecated
+from typing import Any, Generic, Literal, NamedTuple, TypedDict, TypeVar, overload, type_check_only
+from typing_extensions import TypeAlias, TypeVarTuple, Unpack, deprecated
 
 if sys.version_info >= (3, 9):
     __all__ = [

stdlib/tkinter/constants.pyi

@@ -1,4 +1,4 @@
-from typing_extensions import Literal
+from typing import Literal
 
 # These are not actually bools. See #4669
 NO: bool

stdlib/tkinter/filedialog.pyi

@@ -2,8 +2,7 @@ import sys
 from _typeshed import Incomplete, StrOrBytesPath
 from collections.abc import Iterable
 from tkinter import Button, Entry, Frame, Listbox, Misc, Scrollbar, StringVar, Toplevel, commondialog
-from typing import IO, ClassVar
-from typing_extensions import Literal
+from typing import IO, ClassVar, Literal
 
 if sys.version_info >= (3, 9):
     __all__ = [

stdlib/tkinter/font.pyi

@@ -1,8 +1,8 @@
 import _tkinter
 import sys
 import tkinter
-from typing import Any, overload
-from typing_extensions import Literal, TypeAlias, TypedDict
+from typing import Any, Literal, TypedDict, overload
+from typing_extensions import TypeAlias
 
 if sys.version_info >= (3, 9):
     __all__ = ["NORMAL", "ROMAN", "BOLD", "ITALIC", "nametofont", "Font", "families", "names"]

stdlib/tkinter/tix.pyi

@@ -1,7 +1,6 @@
 import tkinter
 from _typeshed import Incomplete
-from typing import Any
-from typing_extensions import Literal
+from typing import Any, Literal
 
 WINDOW: Literal["window"]
 TEXT: Literal["text"]

stdlib/tkinter/ttk.pyi

@@ -3,8 +3,8 @@ import tkinter
 from _typeshed import Incomplete
 from collections.abc import Callable
 from tkinter.font import _FontDescription
-from typing import Any, overload
-from typing_extensions import Literal, TypeAlias, TypedDict
+from typing import Any, Literal, TypedDict, overload
+from typing_extensions import TypeAlias
 
 __all__ = [
     "Button",