SYSTEM_SETTINGS_KEY_LOCALE_TIMEZONE is a key only used as getter and
can not be used to register callback on its change. However when
the timezone is changed, system setting calls event registered on
SYSTEM_SETTINGS_KEY_TIME_CHANGED so removing this key does not
effect on shown hour.
Change-Id: Idb7102b5029d9dc71275d528124876fd1fcf1715
SYSTEM_SETTINGS_KEY_LOCALE_TIMEFORMAT_24HOUR,
SYSTEM_SETTINGS_KEY_TIME_CHANGED,
SYSTEM_SETTINGS_KEY_LOCALE_COUNTRY,
- SYSTEM_SETTINGS_KEY_LOCALE_TIMEZONE,
};
int clock_mode = INDICATOR_CLOCK_MODE_12H;