TriggerMenuMT: remove legacy JSON generation code
Remove the legacy JSON generation code. Also replace OrderedDict with
dict as the latter is guaranteed to be ordered.
JSON files are identical before/after this change.
Relates to ATR-28792.
Remove the legacy JSON generation code. Also replace OrderedDict with
dict as the latter is guaranteed to be ordered.
JSON files are identical before/after this change.
Relates to ATR-28792.