Remove extra line

Author: itsmeichigo

Modules/Sources/Storage/Model/MIGRATIONS.md

@@ -8,7 +8,6 @@ This file documents changes in the WCiOS Storage data model. Please explain any
   - Added `WooShippingShipmentItem` entity.
   - Added `shipment` relationship to `ShippingLabel` entity.
   - Added `shipments` relationship to `Order` entity.
-  
 
 ## Model 123 (Release 22.8.0.0)
 - @iamgabrielma 2025-06-30