leds: lt3593: do not rewrite .of_node of new LED device to wrong value

The devm_led_classdev_register_ext is given init_data with fwnode set,
so the LED core sets .of_node of the new LED classdev correctly.

Do not rewrite this value to parent of_node.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Cc: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Pavel Machek <pavel@ucw.cz>

drivers/leds/leds-lt3593.c

@@ -107,7 +107,6 @@ static int lt3593_led_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	led_data->cdev.dev->of_node = dev->of_node;
 	platform_set_drvdata(pdev, led_data);
 
 	return 0;