This plugin was used by the oslo.messaging project to test the
development of a message driver based on the ZeroMQ library.
The jobs using this plugin were non-voting and non-gating.
Development of this driver was dropped in Rocky and is not
supported.
Depends-On: https://review.opendev.org/745344
Change-Id: I0376c9bcdd6b53c866e14583f87e320d1ccbc123