use Containment::action("remove") directly

--update Layout::removeView implementation in order
to call containment "remove" function directly.
That approach works more reliable than the previous
one and we are that in the end no orphaned containment
config data will be present in the layout file.

app/layout/genericlayout.cpp

@@ -42,6 +42,7 @@
 #include <Plasma/Containment>
 
 // KDE
+#include <KActionCollection>
 #include <KConfigGroup>
 
 namespace Latte {
@@ -1643,40 +1644,14 @@ void GenericLayout::removeView(const Latte::Data::View &viewData)
         return;
     }
 
-    Latte::View *view = viewForContainment(viewData.id.toUInt());
-
-    if (view) {
-        //! viewMustBeDeleted
-        m_latteViews.remove(view->containment());
-        view->disconnectSensitiveSignals();
-        view->positioner()->hideOnExit();
-        delete view;
-    }
-
-    //! delete also the relevant containments
     Plasma::Containment *viewcontainment = containmentForId(viewData.id.toUInt());
 
     if (viewcontainment) {
-        m_containments.removeAll(viewcontainment);
-        delete viewcontainment;
-    }
-
-    for (int i=0; i<viewData.subcontainments.rowCount(); ++i) {
-        Plasma::Containment *subcontainment = containmentForId(viewData.subcontainments[i].id.toUInt());
-
-        if (subcontainment) {
-            m_containments.removeAll(subcontainment);
-            delete subcontainment;
+        QAction *removeaction = viewcontainment->actions()->action("remove");
+        if (removeaction) {
+            removeaction->trigger();
         }
     }
-
-    if (m_corona->layoutsManager()->memoryUsage() == MemoryUsage::MultipleLayouts) {
-        QString multiplelayoutfile = Layouts::Importer::layoutUserFilePath(Layout::MULTIPLELAYOUTSHIDDENNAME);
-        Layouts::Storage::self()->removeView(multiplelayoutfile, viewData);
-    } else {
-        //! remove from storage
-        Layouts::Storage::self()->removeView(file(), viewData);
-    }
 }
 
 QString GenericLayout::storedView(const int &containmentId)