fix: unlock callable when paused

Makes unlock callable when paused. Unlock does not actual transfer
out any funds, so making it callable when paused is fine. Also
makes sure that games can be resolved when the system is paused.

specs/experimental/fault-proof/stage-one/bond-incentives.md

@@ -142,7 +142,6 @@ incorrectly distribute bonds.
 `withdrawals[msg.sender][guy] => WithdrawalRequest` where `WithdrawalRequest` is
 `struct Withdrawal Request { uint256 amount, uint256 timestamp }`. When `unlock` is called, the timestamp for
 `withdrawals[msg.sender][guy]` is set to the current timestamp and the amount is increased by the given amount.
-`unlock(guy,wad)` is not callable when `SuperchainConfig.paused()` is `true`.
 - `DelayedWETH` modifies the `WETH.withdraw` function such that an address *must* provide a "sub-account" to withdraw
 from. The function signature becomes `withdraw(guy,wad)`. The function retrieves `withdrawals[msg.sender][guy]` and
 checks that the current `block.timestamp` is greater than the timestamp on the withdrawal request plus the `delay()`