
It was added temporary to have compatybility with 3rd party code which uses Neutron interface driver but it was said that since "W" release that old, deprecated way of calling "plug_new" method will be removed. Now we are far after "W" release so it's time to do some cleaning there. Related-Bug: #1879307 Change-Id: I03214079f752c7efe6611f2e928f32652fe681bc