Change Details

``` make check bitcoin-qt # for sanity bitcoin-qt --help # no longer contains help message for -txconftarget ```

``` make check bitcoin-qt # for sanity bitcoin-qt --help # no longer contains help message for -txconftarget ``` Added `txconfirmtarget=2` to `bitcoin.conf` `bitcoind` operation was not disrupted.

``` make check bitcoin-qt # for sanity bitcoin-qt --help # no longer contains help message for -txconftarget ``` Added `txconfirmtarget=2` to `bitcoin.conf` `bitcoind` operation was not disrupted.