Remove or move several TypeAlias declarations (#8444)

stubs/urllib3/urllib3/connection.pyi

@@ -1,16 +1,12 @@
 import ssl
 from builtins import ConnectionError as ConnectionError
-from collections.abc import Iterable
 from http.client import HTTPConnection as _HTTPConnection, HTTPException as HTTPException
-from typing import IO, Any
-from typing_extensions import TypeAlias
+from typing import Any
 
 from . import exceptions, util
 from .packages import ssl_match_hostname
 from .util import ssl_
 
-_TYPE_BODY: TypeAlias = bytes | IO[Any] | Iterable[bytes] | str
-
 class DummyConnection: ...
 
 BaseSSLError = ssl.SSLError

stubs/urllib3/urllib3/response.pyi

@@ -1,15 +1,16 @@
 import io
 from _typeshed import Self
-from collections.abc import Iterator, Mapping
+from collections.abc import Iterable, Iterator, Mapping
 from http.client import HTTPMessage as _HttplibHTTPMessage, HTTPResponse as _HttplibHTTPResponse
-from typing import Any
-from typing_extensions import Literal
+from typing import IO, Any
+from typing_extensions import Literal, TypeAlias
 
 from urllib3.connectionpool import HTTPConnection
 
 from . import HTTPConnectionPool, Retry
 from ._collections import HTTPHeaderDict
-from .connection import _TYPE_BODY
+
+_TYPE_BODY: TypeAlias = bytes | IO[Any] | Iterable[bytes] | str
 
 class DeflateDecoder:
     def __init__(self) -> None: ...