patches: drop TM patch

We now target transaction 3 so this patch is not longer compatible and
no longer needed according to discussions on the launchpad issue.

_sort_key is also set to '1' on recent Products.ZSQLMethods

product/ERP5Type/ZopePatch.py

@@ -31,7 +31,6 @@ from Products.ERP5Type.patches import Restricted
 from Products.ERP5Type.patches import m2crypto
 from Products.ERP5Type.patches import ObjectManager
 from Products.ERP5Type.patches import PropertyManager
-from Products.ERP5Type.patches import TM
 from Products.ERP5Type.patches import DA
 if WITH_LEGACY_WORKFLOW:
   from Products.ERP5Type.patches import DCWorkflow

product/ERP5Type/patches/TM.py

-##############################################################################
-#
-# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
-# Copyright (c) 2009 Nexedi SARL and Contributors. All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE
-#
-##############################################################################
-
-import transaction
-from Shared.DC.ZRDB.TM import TM, Surrogate
-
-
-# ZPublisher error path can aggravate error:
-#   https://bugs.launchpad.net/bugs/229863
-
-def TM__register(self):
-    if not self._registered:
-        #try:
-            transaction.get().register(Surrogate(self))
-            self._begin()
-            self._registered = 1
-            self._finalize = 0
-        #except: pass
-
-TM._register = TM__register
-
-# sortKey should return str in transaction 1.4.1 or later.
-TM._sort_key = '1'