usb: wusbcore: wa-nep: don't print error when allocating urb fails

kmalloc will print enough information in case of failure.
Signed-off-by: NWolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/wusbcore/wa-nep.c

@@ -277,10 +277,8 @@ int wa_nep_create(struct wahc *wa, struct usb_interface *iface)
 		goto error_nep_buffer;
 	}
 	wa->nep_urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (wa->nep_urb == NULL) {
-		dev_err(dev, "Unable to allocate notification URB\n");
+	if (wa->nep_urb == NULL)
 		goto error_urb_alloc;
-	}
 	usb_fill_int_urb(wa->nep_urb, usb_dev,
 			 usb_rcvintpipe(usb_dev, epd->bEndpointAddress),
 			 wa->nep_buffer, wa->nep_buffer_size,