Move Python 2-only stubs to @python2 directory (#5660)

stubs/scribe/@python2/scribe/scribe.pyi

@@ -1,10 +1,11 @@
 from typing import Any
 
 import fb303.FacebookService
-from thrift.Thrift import TProcessor  # type: ignore  # We don't have thrift stubs in typeshed
 
 from .ttypes import *  # noqa: F403
 
+TProcessor = Any  # actually thrift.Thrift.TProcessor
+
 class Iface(fb303.FacebookService.Iface):
     def Log(self, messages): ...
 

stubs/scribe/METADATA.toml

@@ -1,4 +1,2 @@
 version = "0.1"
-python2 = true
-python3 = false
 requires = ["types-fb303"]