[media] davinci: vpbe: remove unused variable in vpbe_initialize()

The variable 'output_index' is initialized but never used
otherwise, so remove the unused variable.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Prabhakar Lad <prabhakar.lad@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/davinci/vpbe.c

@@ -584,7 +584,6 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	struct v4l2_subdev **enc_subdev;
 	struct osd_state *osd_device;
 	struct i2c_adapter *i2c_adap;
-	int output_index;
 	int num_encoders;
 	int ret = 0;
 	int err;
@@ -731,7 +730,6 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	/* set the current encoder and output to that of venc by default */
 	vpbe_dev->current_sd_index = 0;
 	vpbe_dev->current_out_index = 0;
-	output_index = 0;
 
 	mutex_unlock(&vpbe_dev->lock);