editoast: don't ack response messages

We must use auto-ack when using direct reply-to

https://www.rabbitmq.com/docs/direct-reply-to#limitations

editoast/src/core/mq_client.rs

@@ -205,12 +205,6 @@ impl RabbitMQClient {
         .map_err(|_| Error::ResponseTimeout)?;
 
         if let Some(Ok(delivery)) = response_delivery {
-            // Acknowledge the message
-            delivery
-                .ack(BasicAckOptions::default())
-                .await
-                .map_err(Error::Lapin)?;
-
             // Deserialize the response
             // let payload =
             //     TR::from_bytes(&delivery.data).map_err(|e| Error::DeserialisationError(e))?;