## Description 

Extra function for cleaning up expired orders.
The cancellation of expired orders in the current order book primarily
relies on the matching process.
Here, we provide a functionality for external manual cleanup of expired
orders to optimize deepBook data storage.

## Test Plan 

Run deepbook unit test.

---
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### Type of Change (Check all that apply)

- [✅ ] protocol change
- [ ] user-visible impact
- [ ] breaking change for a client SDKs
- [ ] breaking change for FNs (FN binary must upgrade)
- [✅ ] breaking change for validators or node operators (must upgrade
binaries)
- [ ] breaking change for on-chain data layout
- [ ] necessitate either a data wipe or data migration

### Release notes

---------

Co-authored-by: Arun Koshy <97870774+arun-koshy@users.noreply.github.com>