Fix for closing splitters when editors are opened before split

Now, ctrl+w closes all editors, as does "X" button in the toolbar.

Reviewed-by: mae

src/plugins/coreplugin/editortoolbar.cpp

@@ -177,7 +177,6 @@ void EditorToolBar::closeView()
     if (m_isStandalone) {
         EditorManager *em = ICore::instance()->editorManager();
         if (IEditor *editor = currentEditor()) {
-                //em->closeDuplicate(editor);
             em->closeEditor(editor);
         }
     }