UI: Remove advanced settings from final wizard results

Removes advanced encoder settings from final wizard result so they don't
conflict with the wizard's expected final results.

UI/window-basic-auto-config.cpp

@@ -765,6 +765,7 @@ void AutoConfig::SaveStreamSettings()
 			idealBitrate);
 	config_set_string(main->Config(), "SimpleOutput", "StreamEncoder",
 			GetEncoderId(streamingEncoder));
+	config_remove_value(main->Config(), "SimpleOutput", "UseAdvanced");
 }
 
 void AutoConfig::SaveSettings()