delete unused SENSORIOCGROTATION

src/drivers/drv_sensor.h

@@ -147,11 +147,6 @@
  */
 #define SENSORIOCRESET		_SENSORIOC(4)
 
-/**
- * Get the sensor orientation
- */
-#define SENSORIOCGROTATION	_SENSORIOC(6)
-
 /**
  * Test the sensor calibration
  */

src/drivers/px4flow/px4flow.cpp

@@ -388,9 +388,6 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg)
 	case SENSORIOCGQUEUEDEPTH:
 		return _reports->size();
 
-	case SENSORIOCGROTATION:
-		return _sensor_rotation;
-
 	case SENSORIOCRESET:
 		/* XXX implement this */
 		return -EINVAL;