Remove unused stubtest whitelist entries (#4598)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

tests/stubtest_whitelists/py38.txt

@@ -74,7 +74,6 @@ sre_constants.RANGE_IGNORE
 ssl.PROTOCOL_SSLv3
 ssl.RAND_egd
 sys.UnraisableHookArgs
-threading.ExceptHookArgs
 types.ClassMethodDescriptorType.__get__
 types.CodeType.replace
 types.MethodDescriptorType.__get__

tests/stubtest_whitelists/py39.txt

@@ -34,8 +34,6 @@ collections.abc.ItemsView.__reversed__
 collections.abc.KeysView.__reversed__
 collections.abc.ValuesView.__reversed__
 # pending merge of https://github.com/python/cpython/pull/22023
-concurrent.futures.Executor.shutdown
-concurrent.futures._base.Executor.shutdown
 contextvars.Context.__init__
 contextvars.Context.get
 copy.PyStringMap
@@ -95,7 +93,6 @@ ssl.PROTOCOL_SSLv3
 ssl.RAND_egd
 symtable.SymbolTable.has_exec
 sys.UnraisableHookArgs
-threading.ExceptHookArgs
 time.CLOCK_PROF
 time.CLOCK_UPTIME
 types.ClassMethodDescriptorType.__get__

tests/stubtest_whitelists/py3_common.txt

@@ -416,23 +416,13 @@ zlib.compressobj
 # at runtime, they inherit Enum.__new__, not int.__new__ or
 # str.__new__ as the mro would dictate, which is why stubtest balks.
 enum.IntEnum.__new__
-enum.IntFlag.__new__
 http.HTTPStatus.__new__
 inspect._ParameterKind.__new__
-pstats.SortKey.__new__
-re.RegexFlag.__new__
 signal.Handlers.__new__
 signal.Sigmasks.__new__
 signal.Signals.__new__
 socket.AddressFamily.__new__
-socket.AddressInfo.__new__
-socket.MsgFlag.__new__
 socket.SocketKind.__new__
-ssl.Options.__new__
-ssl.TLSVersion.__new__
-ssl.VerifyFlags.__new__
-ssl.VerifyMode.__new__
-tkinter.EventType.__new__
 
 # ==========
 # Whitelist entries that cannot or should not be fixed