ansactions which are already conflicted or abandoned.

Arguments:
1. "txid"    (string, required) The transaction id

Result:

Examples:
> bitcoin-cli abandontransaction "1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "abandontransaction", "params": ["1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d"] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/


