[qt] Remove unneeded "fSendFreeTransactions" check

src/qt/sendcoinsdialog.cpp

@@ -104,8 +104,6 @@ SendCoinsDialog::SendCoinsDialog(const PlatformStyle *platformStyle, QWidget *pa
         settings.setValue("nTransactionFee", (qint64)DEFAULT_TRANSACTION_FEE);
     if (!settings.contains("fPayOnlyMinFee"))
         settings.setValue("fPayOnlyMinFee", false);
-    if (!settings.contains("fSendFreeTransactions"))
-        settings.setValue("fSendFreeTransactions", false);
     ui->groupFee->setId(ui->radioSmartFee, 0);
     ui->groupFee->setId(ui->radioCustomFee, 1);
     ui->groupFee->button((int)std::max(0, std::min(1, settings.value("nFeeRadio").toInt())))->setChecked(true);