regulator: ad5398: Remove unnecessary MODULE_ALIAS()

The driver has a I2C device id table that is used to create the modaliases
and also "ad5398-regulator" is not a supported I2C id, so it's never used.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 48016a0..ea50a88 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -275,4 +275,3 @@
 MODULE_DESCRIPTION("AD5398 and AD5821 current regulator driver");
 MODULE_AUTHOR("Sonic Zhang");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("i2c:ad5398-regulator");