Remove superfluous log messages

src/Mara/Gui/MainWindow.cpp

@@ -425,11 +425,9 @@ void MainWindow::gizmoShowScale() {
 
 void MainWindow::onSelectionChanged( const QItemSelection& /*selected*/,
                                      const QItemSelection& /*deselected*/ ) {
-    std::cerr << "******************* MainWindow::onSelectionChanged " << std::endl;
     if ( m_selectionManager->hasSelection() )
     {
         const ItemEntry& ent = m_selectionManager->currentItem();
-        std::cerr << "******************* MainWindow::onSelectionChanged emit selected item "
                   << std::endl;
         emit selectedItem( ent );
         /*