fix Settings dialog in text gui

gui/text.py

@@ -393,13 +393,11 @@ class ElectrumGui:
 
 
     def settings_dialog(self):
+        fee = str(Decimal(self.wallet.fee_per_kb(self.config)) / COIN)
         out = self.run_dialog('Settings', [
-            {'label':'Default GUI', 'type':'list', 'choices':['classic','lite','gtk','text'], 'value':self.config.get('gui')},
-            {'label':'Default fee', 'type':'satoshis', 'value': format_satoshis(self.wallet.fee_per_kb).strip() }
+            {'label':'Default fee', 'type':'satoshis', 'value': fee }
             ], buttons = 1)
         if out:
-            if out.get('Default GUI'):
-                self.config.set_key('gui', out['Default GUI'], True)
             if out.get('Default fee'):
                 fee = int(Decimal(out['Default fee']) * COIN)
                 self.config.set_key('fee_per_kb', fee, True)