rm obsolete code

GUI/View/SampleDesigner/MesoCrystalForm.cpp

@@ -83,11 +83,6 @@ QComboBox* MesoCrystalForm::createBasisCombo(QWidget* parent, ItemWithParticles*
 
     combo->setMaxVisibleItems(combo->count());
 
-    //     combo->addItem("None", ""); // #baMigration ++ allow none? rm only if never can be none!
-    //
-    //     if (current == nullptr)
-    //         combo->setCurrentIndex(0);
-    //
     const auto currentIndex = combo->findData(currentData);
     ASSERT(currentIndex >= 0);
     combo->setCurrentIndex(currentIndex);