extcon: fsa9480: Drop no-op remove function

A remove callback that just returns 0 is equivalent to no callback at all
as can be seen in i2c_device_remove(). So simplify accordingly.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
diff --git a/drivers/extcon/extcon-fsa9480.c b/drivers/extcon/extcon-fsa9480.c
index 08bdedb..7cff66c 100644
--- a/drivers/extcon/extcon-fsa9480.c
+++ b/drivers/extcon/extcon-fsa9480.c
@@ -324,11 +324,6 @@ static int fsa9480_probe(struct i2c_client *client,
 	return 0;
 }
 
-static int fsa9480_remove(struct i2c_client *client)
-{
-	return 0;
-}
-
 #ifdef CONFIG_PM_SLEEP
 static int fsa9480_suspend(struct device *dev)
 {
@@ -376,7 +371,6 @@ static struct i2c_driver fsa9480_i2c_driver = {
 		.of_match_table = fsa9480_of_match,
 	},
 	.probe			= fsa9480_probe,
-	.remove			= fsa9480_remove,
 	.id_table		= fsa9480_id,
 };