feat(MED-161): no need for default value as it's only used in one place

lib/templates/medipost-order.ts

@@ -9,11 +9,8 @@ export const getPais = (
   sender: string,
   recipient: string,
   orderId: number,
-  packageName = "OL",
+  packageName: string,
 ) => {
-  if (isProd) {
-    // return correct data
-  }
   return `<Pais>
     <Pakett versioon="20">${packageName}</Pakett>
     <Saatja>${sender}</Saatja>