un-expose fake ellipsis type

Author: DetachHead

stdlib/_typeshed/__init__.pyi

@@ -184,3 +184,8 @@ else:
     @final
     class NoneType:
         def __bool__(self) -> Literal[False]: ...
+
+# Actually the type of Ellipsis is <type 'ellipsis'>, but since it's
+# not exposed anywhere under that name, we make it private here.
+@final
+class ellipsis: ...

stdlib/builtins.pyi

@@ -18,6 +18,7 @@ from _typeshed import (
     SupportsNext,
     SupportsRDivMod,
     SupportsWrite,
+    ellipsis
 )
 from io import BufferedRandom, BufferedReader, BufferedWriter, FileIO, TextIOWrapper
 from types import CodeType, MappingProxyType, TracebackType
@@ -1452,11 +1453,6 @@ def __import__(
     level: int = ...,
 ) -> types.ModuleType: ...
 
-# Actually the type of Ellipsis is <type 'ellipsis'>, but since it's
-# not exposed anywhere under that name, we make it private here.
-@final
-class ellipsis: ...
-
 Ellipsis: ellipsis
 
 class BaseException(object):