Make usage of @capire/common optional

orders/db/schema.cds

@@ -21,6 +21,3 @@ entity Orders_Items {
 entity Products @(cds.persistence.skip:'always') {
   key ID : String;
 }
-
-// Activate extension package
-using from '@capire/common';

orders/package.json

@@ -2,7 +2,6 @@
   "name": "@capire/orders",
   "version": "1.0.0",
   "dependencies": {
-    "@capire/common": "*",
     "@sap/cds": "^4.3.0"
   }
 }