Drop incorrect Q_UNUSED

src/wayland/datadevicemanager_interface.cpp

@@ -87,9 +87,6 @@ void DataDeviceManagerInterface::Private::createDataSourceCallback(wl_client *cl
 
 void DataDeviceManagerInterface::Private::createDataSource(wl_client *client, wl_resource *resource, uint32_t id)
 {
-    Q_UNUSED(client)
-    Q_UNUSED(resource)
-    Q_UNUSED(id)
     DataSourceInterface *dataSource = new DataSourceInterface(q);
     dataSource->create(display->getConnection(client), wl_resource_get_version(resource), id);
     if (!dataSource->resource()) {