Updated openstack/openstack
Project: openstack-dev/devstack  4b49e372400084b166c67dd6921aa1d660e8d49c
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Revert "Devstack support for Neutron VPNaaS"

This reverts commit 8450a92a4d0299fff89717e665ce31d54731d3f0.

Change-Id: I6dd0f44a1a57735de292bc4ed4eaa929dc308297