As discussed in ML[1], we are combining the all source
code repo for interop group under the refstack acl file
which will be easy to maintain the things.
interop core group will continue as separate cor list
and rest other repo will be using refstack-core group.
[1] http://lists.openstack.org/pipermail/openstack-discuss/2020-December/019388.html
Change-Id: I54bd79b0b3dad2a3a8766771ad660badaa1a3227