Destroy the changeset, aborting any staging that was not applied.
Declared in <txmempool.h>
[[requires_capability(0x7f95135d3a70), requires_capability(0x7f9501b12e50), requires_capability(0x7f950ec79040), requires_capability(0x7f9525ea8d90), requires_capability(0x7f95150984d0), requires_capability(0x7f950826c770), requires_capability(0x7f94f856fe80), requires_capability(0x7f9513c5a070)]]
~ChangeSet();