Replace oslo-incubator/rpc usage with oslo-messaging

Registered by Dina Belova

Now we are using oslo-incubator/rpc for creating RPC services like climate-manager. We need to migrate to the oslo-messaging library.

That will require:
* Remove openstack.common.rpc module and implement oslo.messaging usage instead of that.
* Remove openstack.common.notifier as it is part of oslo.messaging now.
* Remove zmq_receiver as a part of oslo.messaging too.

Blueprint information

Status:
Complete
Approver:
Blazar core developers
Priority:
Medium
Drafter:
Dina Belova
Direction:
Approved
Assignee:
Dina Belova
Definition:
Approved
Series goal:
Accepted for 0.1.x
Implementation:
Implemented
Milestone target:
milestone icon 0.1.1
Started by
Dina Belova
Completed by
Dina Belova

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