media: i2c: ov5693: Drop the unused streaming flag

The streaming flag in the driver's private structure is set but never
used. Drop it.

Signed-off-by: Laurent Pinchart <[e-mail]>
Reviewed-by: Daniel Scally <[e-mail]>
Reviewed-by: Tommaso Merciai <[e-mail]>
Signed-off-by: Sakari Ailus <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

drivers/media/i2c/ov5693.c

···
 		unsigned int inc_y_odd;
 		unsigned int vts;
 	} mode;
-	bool streaming;
 
 	struct v4l2_subdev sd;
 	struct media_pad pad;
···
 	}
 	if (ret)
 		goto err_power_down;
-
-	ov5693->streaming = !!enable;
 
 	if (!enable)
 		pm_runtime_put(ov5693->dev);