Fix(inventory, stock-location): Remove orphaned location levels and reservations (#3460)

**What**
- Remove related inventory levels and reservation items when a stock location is removed

**How**
- Add bulk deletion methods for both inventory levels and reservation items to the inventory service api
- invoke both on location removal

Fixes CORE-1232

packages/medusa/src/interfaces/services/inventory.ts

@@ -77,6 +77,10 @@ export interface IInventoryService {
 
   deleteInventoryItem(inventoryItemId: string): Promise<void>
 
+  deleteInventoryItemLevelByLocationId(locationId: string): Promise<void>
+
+  deleteReservationItemByLocationId(locationId: string): Promise<void>
+
   deleteInventoryLevel(
     inventoryLevelId: string,
     locationId: string