Updated openstack/openstack
Project: openstack/neutron  1633bc92ceefd44c1c955094152ee5e739f7bcd0

Remove redundant topic from rpc calls

RpcProxy sets by default topic=self.topic, there's no need to specify
it explicitly in derived class, unless it is overridden

Change-Id: I19b9a67072a7f3c42e3b0e4ba412241a056a79a3
Closes-bug: 1348180