staging: wlan-ng: remove unnecessary out of memory message in p80211conv.c

This patch fix the following checkpatch script warning:
WARNING: Possible unnecessary 'out of memory' message.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/p80211conv.c

@@ -618,8 +618,6 @@ int p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
 	rxmeta = kzalloc(sizeof(*rxmeta), GFP_ATOMIC);
 
 	if (!rxmeta) {
-		netdev_err(wlandev->netdev,
-			   "%s: Failed to allocate rxmeta.\n", wlandev->name);
 		result = 1;
 		goto exit;
 	}