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/video/matrox/i2c-matroxfb.c b/drivers/video/matrox/i2c-matroxfb.c
index 795c1a9..797b423 100644
--- a/drivers/video/matrox/i2c-matroxfb.c
+++ b/drivers/video/matrox/i2c-matroxfb.c
@@ -124,7 +124,7 @@
 
 static void i2c_bit_bus_del(struct i2c_bit_adapter* b) {
 	if (b->initialized) {
-		i2c_bit_del_bus(&b->adapter);
+		i2c_del_adapter(&b->adapter);
 		b->initialized = 0;
 	}
 }