iio:potentiometer:max5487: Drop explicit setting of module owner

The SPI core has handled this for some time.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
diff --git a/drivers/iio/potentiometer/max5487.c b/drivers/iio/potentiometer/max5487.c
index ec1a91a..5042d3e 100644
--- a/drivers/iio/potentiometer/max5487.c
+++ b/drivers/iio/potentiometer/max5487.c
@@ -146,7 +146,6 @@
 static struct spi_driver max5487_driver = {
 	.driver = {
 		.name = "max5487",
-		.owner = THIS_MODULE,
 		.acpi_match_table = ACPI_PTR(max5487_acpi_match),
 	},
 	.id_table = max5487_id,