Remove __module__ assignment for TypeVar and friends (#175)

src/typing_extensions.py

diff --git a/src/typing_extensions.py b/src/typing_extensions.py
index a30c01b..00644d5 100644
--- a/src/typing_extensions.py
+++ b/src/typing_extensions.py
@@ -1372,10 +1372,6 @@
 
 
 class _TypeVarLikeMeta(type):
-    def __init__(cls, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        cls.__module__ = 'typing'
-
     def __instancecheck__(cls, __instance: Any) -> bool:
         return isinstance(__instance, cls._backported_typevarlike)