i2c: Discard the i2c algo del_bus wrappers

They are all only calling i2c_del_adapter, so we may as well do
it directly.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-prosavage.c b/drivers/i2c/busses/i2c-prosavage.c
index 7745e21..07c1f1e 100644
--- a/drivers/i2c/busses/i2c-prosavage.c
+++ b/drivers/i2c/busses/i2c-prosavage.c
@@ -212,7 +212,7 @@
 		if (chip->i2c_bus[i].adap_ok == 0)
 			continue;
 
-		ret = i2c_bit_del_bus(&chip->i2c_bus[i].adap);
+		ret = i2c_del_adapter(&chip->i2c_bus[i].adap);
 	        if (ret) {
 			dev_err(&dev->dev, "%s not removed\n",
 				chip->i2c_bus[i].adap.name);