Refactoring, cleanup, and improvements

[seanchen1991]

Background

This issue tracks our work towards improving different aspects of Hermes, i.e., performance, reliability, usability, etc.

Q2 Tasks

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1. Review channel version code and cleanup #3213
   I: refactoring +1
   
2. Updating telemetry changed the metric names #3326
   A: bug I: telemetry +2
3. Supervisor should only scan when clear_on_start is enabled #3403
   I: refactoring O: performance +2
   

Q3 Tasks

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1. Remove support for crossing hellos for connection and channel handshake #3212
   I: dependencies I: refactoring +2
2. Get the max_expected_time_per_block using the /genesis endpoint #3211
   I: refactoring +1
   
3. Remove idle workers #3385
   I: refactoring O: performance +2
   
4. Enable listen command with pull event source #3501
   I: CLI O: new-feature +2
   
5. Update Data-Requirements.md with gRPC endpoints #3545
   2 of 2
   I: documentation +1
   
6. Improve resilience to failed packets on ordered channels #3540
   A: bug A: critical O: reliability +3
   
7. Update tracing directives on runtime #3564
   O: new-feature O: usability +2
   

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For Admin Use

• https://github.com/informalsystems/hermes/labels/tracking or https://github.com/informalsystems/hermes/labels/okr label (as well as any other appropriate labels) applied
• Appropriate milestone (priority) applied
• Appropriate contributors tagged

[adizere]

seems like this is done

please reopen if not