delete unused IOCTL ACCELIOCTYPE

src/drivers/drv_accel.h

@@ -85,7 +85,4 @@ struct accel_calibration_s {
 /** determine if hardware is external or onboard */
 #define ACCELIOCGEXTERNAL	_ACCELIOC(12)
 
-/** get the current accel type */
-#define ACCELIOCTYPE		_ACCELIOC(13)
-
 #endif /* _DRV_ACCEL_H */

src/drivers/imu/adis16448/adis16448.cpp

@@ -1086,9 +1086,6 @@ ADIS16448::ioctl(struct file *filp, int cmd, unsigned long arg)
 			}
 		}
 
-	case ACCELIOCTYPE:
-		return (ADIS16448_Product);
-
 	default:
 		/* give it to the superclass */
 		return SPI::ioctl(filp, cmd, arg);