Destroy the changeset, aborting any staging that was not applied.
Declared in <txmempool.h>
[[requires_capability(0x7fbc8f685480), requires_capability(0x7fbc95d471e0), requires_capability(0x7fbca708cea0), requires_capability(0x7fbc86275740), requires_capability(0x7fbca7899e20), requires_capability(0x7fbc84abb470), requires_capability(0x7fbc870fa970), requires_capability(0x7fbc921e2230)]]
~ChangeSet();