regulator: max77620: drop redundant OF node initialisation

The platform device OF node is set unconditionally since commit
6f55c5d ("regulator: max77620: Use device_set_of_node_from_dev()")
so drop the earlier redundant conditional initialisation.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260407121405.2663004-1-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: jhovold

drivers/regulator/max77620-regulator.c

@@ -793,8 +793,6 @@ static int max77620_regulator_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, pmic);
 	pmic->dev = dev;
 	pmic->rmap = max77620_chip->rmap;
-	if (!dev->of_node)
-		dev->of_node = pdev->dev.parent->of_node;
 
 	switch (max77620_chip->chip_id) {
 	case MAX77620: