message: qt: remove todo bug fix for old versions of Qt
diff: @@ -380,14 +380,6 @@ void CoinControlDialog::viewItemChanged(QTreeWidgetItem* item, int column)
  if (ui->treeWidget->isEnabled()) // do not update on every click for (un)select all
  CoinControlDialog::updateLabels(m_coin_control, model, this);
  }
  -
  - // TODO: Remove this temporary qt5 fix after Qt5.3 and Qt5.4 are no longer used.
  - // Fixed in Qt5.5 and above: https://bugreports.qt.io/browse/QTBUG-43473
  - else if (column == COLUMN_CHECKBOX && item->childCount() > 0)
  - {
  - if (item->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked && item->child(0)->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked)
  - item->setCheckState(COLUMN_CHECKBOX, Qt::Checked);
  - }
  }
  // shows count of locked unspent outputs
  