i2c: Delete many unused adapter IDs

Signed-off-by: Jean Delvare <khali@linux-fr.org>

drivers/i2c/busses/i2c-piix4.c

@@ -403,7 +403,6 @@ static const struct i2c_algorithm smbus_algorithm = {
 
 static struct i2c_adapter piix4_adapter = {
 	.owner		= THIS_MODULE,
-	.id		= I2C_HW_SMBUS_PIIX4,
 	.class		= I2C_CLASS_HWMON | I2C_CLASS_SPD,
 	.algo		= &smbus_algorithm,
 };