Update typing_extensions imports in third-party stubs (#11245)

stubs/pyxdg/xdg/DesktopEntry.pyi

@@ -1,6 +1,6 @@
 import re
 from _typeshed import StrPath
-from typing_extensions import Literal
+from typing import Literal
 
 from xdg.IniFile import IniFile
 

stubs/pyxdg/xdg/IniFile.pyi

@@ -1,7 +1,6 @@
 import re
 from collections.abc import Iterable, KeysView
-from typing import overload
-from typing_extensions import Literal
+from typing import Literal, overload
 
 def is_ascii(s: str) -> bool: ...
 

stubs/pyxdg/xdg/Menu.pyi

@@ -3,7 +3,7 @@ import xml.dom
 from _typeshed import Unused
 from collections.abc import Collection, Iterable, Iterator
 from types import CodeType
-from typing_extensions import Literal
+from typing import Literal
 
 from .DesktopEntry import DesktopEntry
 

stubs/pyxdg/xdg/MenuEditor.pyi

@@ -1,6 +1,6 @@
 from _typeshed import StrPath, Unused
-from typing import overload
-from typing_extensions import Literal, TypeAlias
+from typing import Literal, overload
+from typing_extensions import TypeAlias
 from xml.etree.ElementTree import ElementTree
 
 from .Menu import Menu, MenuEntry, Separator, XMLMenuBuilder

stubs/pyxdg/xdg/Mime.pyi

@@ -3,7 +3,8 @@ from _typeshed import StrOrBytesPath, SupportsLenAndGetItem, Unused
 from collections import defaultdict
 from collections.abc import Collection, Iterable
 from io import BytesIO
-from typing_extensions import Literal, Self, TypeAlias
+from typing import Literal
+from typing_extensions import Self, TypeAlias
 
 FREE_NS: str
 types: dict[str, MIMEtype]

stubs/pyxdg/xdg/util.pyi

@@ -1,5 +1,5 @@
 from shutil import which as which
-from typing_extensions import Literal
+from typing import Literal
 
 PY3: Literal[True]