chore: curio: Cleanup proving config

[magik6k]

Related Issues

Proposed Changes

This PR removes some fields from Curio Proving config section that were only relevant to lotus-miner

Additional Info

Checklist

Before you mark the PR ready for review, please make sure that:

• Commits have a clear commit message.
• 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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