boards: arkv6x remove LIS3MDL to reduce flash

Author: AlexKlimaj

boards/ark/fmu-v6x/default.px4board

@@ -30,7 +30,6 @@ CONFIG_DRIVERS_MAGNETOMETER_BOSCH_BMM150=y
 CONFIG_DRIVERS_MAGNETOMETER_HMC5883=y
 CONFIG_DRIVERS_MAGNETOMETER_ISENTEK_IST8308=y
 CONFIG_DRIVERS_MAGNETOMETER_ISENTEK_IST8310=y
-CONFIG_DRIVERS_MAGNETOMETER_LIS3MDL=y
 CONFIG_DRIVERS_MAGNETOMETER_LSM303AGR=y
 CONFIG_DRIVERS_MAGNETOMETER_QMC5883L=y
 CONFIG_DRIVERS_MAGNETOMETER_RM3100=y