drivers/rtc/rtc-bq32k.c: remove empty function

After the switch to devm_* functions and the removal of
rtc_device_unregister(), the 'remove' function does not do anything.
Delete it.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-bq32k.c

@@ -163,11 +163,6 @@ static int bq32k_probe(struct i2c_client *client,
 	return 0;
 }
 
-static int bq32k_remove(struct i2c_client *client)
-{
-	return 0;
-}
-
 static const struct i2c_device_id bq32k_id[] = {
 	{ "bq32000", 0 },
 	{ }
@@ -180,7 +175,6 @@ static struct i2c_driver bq32k_driver = {
 		.owner	= THIS_MODULE,
 	},
 	.probe		= bq32k_probe,
-	.remove		= bq32k_remove,
 	.id_table	= bq32k_id,
 };