Exchange - OrderStatus is never used
The enum `OrderStatus` is declared but never used.\\n```\\nenum OrderStatus {EXPIRED, CANCELLED, FILLABLE, FULLY\\_FILLED}\\n```\\n
Resolution\\nThis issue was resolved by removing the unused code.\\nRemove unused code.
```\\nenum OrderStatus {EXPIRED, CANCELLED, FILLABLE, FULLY\\_FILLED}\\n```\\n