boten: remove CONFIG_SYSTEM_UNLOCKED
It's used for final firmware.
BRANCH=boten
TEST=make buildall
#define VARIANT_DEDEDE_EC_IT8320
#include "baseboard.h"
-/* System unlocked in early development */
-#define CONFIG_SYSTEM_UNLOCKED
-
/* Battery */
#define CONFIG_BATTERY_FUEL_GAUGE
#define CONFIG_BATTERY_V2
