gpio: remove all usage of gpio_remove retval in driver/gpio

Signed-off-by: abdoulaye berthe <berthe.ab@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c
index 27b4675..236708a 100644
--- a/drivers/gpio/gpio-pcf857x.c
+++ b/drivers/gpio/gpio-pcf857x.c
@@ -444,9 +444,7 @@
 	if (client->irq)
 		pcf857x_irq_domain_cleanup(gpio);
 
-	status = gpiochip_remove(&gpio->chip);
-	if (status)
-		dev_err(&client->dev, "%s --> %d\n", "remove", status);
+	gpiochip_remove(&gpio->chip);
 	return status;
 }