refactor: Adjust to MessageBus config with single broker host info

[lenny-goodell]

This PR is dependent on edgexfoundry/go-mod-messaging#200

Signed-off-by: Leonard Goodell [email protected]

If your build fails due to your commit message not passing the build checks, please review the guidelines here: https://github.com/edgexfoundry/go-mod-bootstrap/blob/main/.github/Contributing.md

PR Checklist

Please check if your PR fulfills the following requirements:

• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
• I have added unit tests for the new feature or bug fix (if not, why?) N/A
• I have fully tested (add details below) this the new feature or bug fix (if not, why?)
• I have opened a PR for the related docs change (if not, why?) N/A

Testing Instructions

Run non-secure edgex stack and stop core data
Build core data with this branch and branch from edgexfoundry/go-mod-messaging#200
Run local core data with DEBUG logging
Verify Core data logs show events received from MessageBus

New Dependency Instructions (If applicable)

[jim-wang-intel]

LGTM