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-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index 457d48a..9832f77 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -146,7 +146,7 @@
 static void __devexit hydra_remove(struct pci_dev *dev)
 {
 	pdregw(hydra_bit_data.data, 0);		/* clear SCLK_OE and SDAT_OE */
-	i2c_bit_del_bus(&hydra_adap);
+	i2c_del_adapter(&hydra_adap);
 	iounmap(hydra_bit_data.data);
 	release_mem_region(pci_resource_start(dev, 0)+
 			   offsetof(struct Hydra, CachePD), 4);