SSV Cluster migration cleanup

[naddison36]

Changes

• Deploy script to claim the SSV now in the staking strategies
• Fixed the SSVNetwork interface which now uses ETH payments rather than SSV
• Hardhat tasks to use ETH payments instead of SSV to SSV Clusters
• Removed old registration and staking tasks using the old P2P APIs

There are no changes to Origin contracts.

Deployments

Governance

• Proposal: 35357927834024325667215414950208151345401682033096528229820204756296457259488
• Propose tx

Deploy checklist

Two reviewers complete the following checklist:

- [ ] All deployed contracts are listed in the deploy PR's description
- [ ] Deployed contract's verified code (and all dependencies) match the code in master
- [ ] Contract constructors have correct arguments
- [ ] The transactions that interacted with the newly deployed contract match the deploy script.
- [ ] Governance proposal matches the deploy script
- [ ] Smoke tests pass after fork test execution of the governance proposal

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 52.11%. Comparing base (1dd041f) to head (7d9044f).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2892   +/-   ##
=======================================
  Coverage   52.11%   52.11%           
=======================================
  Files         111      111           
  Lines        4874     4874           
  Branches     1353     1353           
=======================================
  Hits         2540     2540           
  Misses       2330     2330           
  Partials        4        4           

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[sparrowDom]

LGTM