Remove unused oslo module local

Change-Id: I36671f76515045ff3f15c62d81fcc62ecd38438a

openstack-common.conf

@@ -2,7 +2,6 @@
 
 # The list of modules to copy from oslo-incubator
 module=eventlet_backdoor
-module=local
 module=loopingcall
 module=policy
 module=periodic_task

senlin/openstack/common/local.py

@@ -1,45 +0,0 @@
-# Copyright 2011 OpenStack Foundation.
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-"""Local storage of variables using weak references"""
-
-import threading
-import weakref
-
-
-class WeakLocal(threading.local):
-    def __getattribute__(self, attr):
-        rval = super(WeakLocal, self).__getattribute__(attr)
-        if rval:
-            # NOTE(mikal): this bit is confusing. What is stored is a weak
-            # reference, not the value itself. We therefore need to lookup
-            # the weak reference and return the inner value here.
-            rval = rval()
-        return rval
-
-    def __setattr__(self, attr, value):
-        value = weakref.ref(value)
-        return super(WeakLocal, self).__setattr__(attr, value)
-
-
-# NOTE(mikal): the name "store" should be deprecated in the future
-store = WeakLocal()
-
-# A "weak" store uses weak references and allows an object to fall out of scope
-# when it falls out of scope in the code that uses the thread local storage. A
-# "strong" store will hold a reference to the object so that it never falls out
-# of scope.
-weak_store = WeakLocal()
-strong_store = threading.local()