USB: remove "devfs" message from kernel log for usb-serial driver

No one uses devfs on 2.6 :)
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/usb/serial/bus.c

@@ -78,8 +78,8 @@ static int usb_serial_device_probe (struct device *dev)
 	minor = port->number;
 	tty_register_device (usb_serial_tty_driver, minor, dev);
 	dev_info(&port->serial->dev->dev, 
-		 "%s converter now attached to ttyUSB%d (or usb/tts/%d for devfs)\n",
-		 driver->name, minor, minor);
+		 "%s converter now attached to ttyUSB%d\n",
+		 driver->name, minor);
 
 exit:
 	return retval;