rm dead code

electrum/gui/qt/lightning_tx_dialog.py

@@ -60,11 +60,9 @@ class LightningTxDialog(WindowModalDialog):
             self.invoice = invoice.lightning_invoice
         else:
             self.invoice = ''
-
         self.setMinimumWidth(700)
         vbox = QVBoxLayout()
         self.setLayout(vbox)
-
         amount_str = self.parent.format_amount_and_units(self.amount, timestamp=self.timestamp)
         vbox.addWidget(QLabel(_("Amount") + f": {amount_str}"))
         if self.is_sent:
@@ -74,28 +72,15 @@ class LightningTxDialog(WindowModalDialog):
             vbox.addWidget(QLabel(_("Fee") + f": {fee_str}"))
         time_str = datetime.datetime.fromtimestamp(self.timestamp).isoformat(' ')[:-3]
         vbox.addWidget(QLabel(_("Date") + ": " + time_str))
-
         vbox.addWidget(QLabel(_("Payment hash") + ":"))
         self.hash_e = ShowQRLineEdit(self.payment_hash, self.config, title=_("Payment hash"))
         vbox.addWidget(self.hash_e)
-
         vbox.addWidget(QLabel(_("Preimage") + ":"))
         self.preimage_e = ShowQRLineEdit(self.preimage, self.config, title=_("Preimage"))
         vbox.addWidget(self.preimage_e)
-
         vbox.addWidget(QLabel(_("Lightning Invoice") + ":"))
         self.invoice_e = ShowQRTextEdit(self.invoice, config=self.config)
         self.invoice_e.setMaximumHeight(150)
         self.invoice_e.addCopyButton()
         vbox.addWidget(self.invoice_e)
-
         vbox.addLayout(Buttons(CloseButton(self)))
-
-    def show_qr(self, line_edit, title=''):
-        def f():
-            text = line_edit.text()
-            try:
-                self.parent.show_qrcode(text, title, parent=self)
-            except Exception as e:
-                self.show_message(repr(e))
-        return f