cx23885: Drop empty i2c algorithm control callback

i2c_algorithm.algo_control is about to be removed.

Signed-off-by: Jean Delvare <[e-mail]>
Reviewed-by: Michael Krufky <[e-mail]>
Acked-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/cx23885/cx23885-i2c.c

···
 	i2c_clients_command(&bus->i2c_adap, cmd, arg);
 }
 
-static int cx23885_algo_control(struct i2c_adapter *adap,
-				unsigned int cmd, unsigned long arg)
-{
-	return 0;
-}
-
 static u32 cx23885_functionality(struct i2c_adapter *adap)
 {
 	return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
···
 
 static struct i2c_algorithm cx23885_i2c_algo_template = {
 	.master_xfer	= i2c_xfer,
-	.algo_control	= cx23885_algo_control,
 	.functionality	= cx23885_functionality,
 };