delete unused IOCTL MAGIOCTYPE

src/drivers/drv_mag.h

@@ -99,7 +99,4 @@ struct mag_calibration_s {
 /** enable/disable temperature compensation */
 #define MAGIOCSTEMPCOMP		_MAGIOC(12)
 
-/** get the current mag type */
-#define MAGIOCTYPE			_MAGIOC(13)
-
 #endif /* _DRV_MAG_H */

src/drivers/imu/adis16448/adis16448.cpp

@@ -1177,9 +1177,6 @@ ADIS16448::mag_ioctl(struct file *filp, int cmd, unsigned long arg)
 	case MAGIOCGRANGE:
 		return (unsigned long)(_mag_range_mgauss);
 
-	case MAGIOCTYPE:
-		return (ADIS16448_Product);
-
 	default:
 		/* give it to the superclass */
 		return SPI::ioctl(filp, cmd, arg);