[DS-3952] Move request deletion from test to main.

dspace-api/src/test/java/org/dspace/builder/RequestItemBuilder.java

@@ -79,7 +79,7 @@ public class RequestItemBuilder
     @Override
     public void delete(Context context, RequestItem request)
             throws Exception {
-        new RequestItemHelperDAO().delete(context, request.getToken());
+        requestItemService.delete(context, request);
     }
 
     @Override