Slashing upgrade

[bxmmm1]

• Remove unused function
• Remove dead code
• Remove useless interfaces for permissioned functions
• Added a few mainnet fork tests that use PufferVaultV5 to make sure that the interface is the same as what we currently have deployed on the mainnet PufferVaultV3

[codecov]

Codecov Report

Attention: Patch coverage is 78.09524% with 46 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
mainnet-contracts/src/PufferVaultV5.sol	72.72%	42 Missing ⚠️
mainnet-contracts/src/PufferVaultV2.sol	25.00%	3 Missing ⚠️
mainnet-contracts/src/PufferVault.sol	66.66%	1 Missing ⚠️

Files with missing lines	Coverage Δ
mainnet-contracts/src/L1RewardManager.sol	98.52% <100.00%> (ø)
mainnet-contracts/src/PufferModule.sol	100.00% <100.00%> (ø)
mainnet-contracts/src/PufferModuleManager.sol	95.52% <100.00%> (+12.37%)	⬆️
mainnet-contracts/src/PufferProtocol.sol	94.66% <100.00%> (+0.01%)	⬆️
mainnet-contracts/src/PufferRevenueDepositor.sol	96.15% <100.00%> (ø)
mainnet-contracts/src/PufferVaultStorage.sol	100.00% <ø> (ø)
mainnet-contracts/src/PufferWithdrawalManager.sol	98.27% <100.00%> (ø)
mainnet-contracts/src/RestakingOperator.sol	94.87% <100.00%> (+31.04%)	⬆️
mainnet-contracts/src/ValidatorTicket.sol	86.36% <100.00%> (ø)
mainnet-contracts/src/PufferVault.sol	60.86% <66.66%> (-36.67%)	⬇️
... and 2 more

... and 3 files with indirect coverage changes