add prometheus and remove influxdb

[cryptoAtwill]

Related Issues

Introduce eudico-stats with prometheus.

Proposed Changes

• Add eudico-stats command to expose the metrics
• Add prometheus support
• Remove influxdb for now

Additional Info

NA

Checklist

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• [ ] All commits have a clear commit message.
• [ ] The PR title is in the form of of <PR type>: <area>: <change being made>
  • example: fix: mempool: Introduce a cache for valid signatures
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• [ ] This PR has tests for new functionality or change in behaviour
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