rt2x00: Delete an error message for a failed memory allocation in rt2x00queue_allocate()

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.
Signed-off-by: NMarkus Elfring <elfring@users.sourceforge.net>
Acked-by: NStanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ralink/rt2x00/rt2x00queue.c

@@ -1244,10 +1244,8 @@ int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev)
 	rt2x00dev->data_queues = 2 + rt2x00dev->ops->tx_queues + req_atim;
 
 	queue = kcalloc(rt2x00dev->data_queues, sizeof(*queue), GFP_KERNEL);
-	if (!queue) {
-		rt2x00_err(rt2x00dev, "Queue allocation failed\n");
+	if (!queue)
 		return -ENOMEM;
-	}
 
 	/*
 	 * Initialize pointers