TabBar: Make updatePinnedTabCloseButton private

It is no longer needed to call it after changing tab pinned state.

src/lib/tabwidget/tabbar.h

@@ -42,7 +42,6 @@ public:
     void restoreTabTextColor(int index);
 
     void setTabText(int index, const QString &text);
-    void updatePinnedTabCloseButton(int index);
 
     void wheelEvent(QWheelEvent* event);
 
@@ -62,6 +61,7 @@ private:
 
     void hideCloseButton(int index);
     void showCloseButton(int index);
+    void updatePinnedTabCloseButton(int index);
 
     void contextMenuEvent(QContextMenuEvent* event);
     void mouseDoubleClickEvent(QMouseEvent* event);

src/lib/tabwidget/tabwidget.cpp

@@ -769,12 +769,8 @@ bool TabWidget::restoreState(const QVector<WebTab::SavedTab> &tabs, int currentT
 {
     for (int i = 0; i < tabs.size(); ++i) {
         WebTab::SavedTab tab = tabs.at(i);
-
         int index = addView(QUrl(), Qz::NT_CleanSelectedTab, false, tab.isPinned);
         weTab(index)->restoreTab(tab);
-
-        if (tab.isPinned)
-            m_tabBar->updatePinnedTabCloseButton(index);
     }
 
     setCurrentIndex(currentTab);