Remove unused code

apps/openmw/mwbase/windowmanager.hpp

@@ -104,7 +104,6 @@ namespace MWBase
              * new dialogs.
              */
             virtual void update() = 0;
-            virtual void updateVisible() = 0;
 
             /// @note This method will block until the video finishes playing
             /// (and will continually update the window while doing so)

apps/openmw/mwgui/windowmanagerimp.cpp

@@ -485,6 +485,7 @@ namespace MWGui
     void WindowManager::update()
     {
         cleanupGarbage();
+
         mHud->update();
     }
 
@@ -559,13 +560,6 @@ namespace MWGui
             return;
         }
 
-        // No need to check GUI if game mode
-        if (gameMode)
-        {
-            mInventoryWindow->setGuiMode(GM_None);
-            return;
-        }
-
         if(mGuiModes.size() != 0)
         {
             GuiMode mode = mGuiModes.back();

apps/openmw/mwgui/windowmanagerimp.hpp

@@ -361,7 +361,7 @@ namespace MWGui
 
     virtual void pinWindow (MWGui::GuiWindow window);
 
-    virtual void updatePinnedWindows ();
+    void updatePinnedWindows ();
 
     /// Fade the screen in, over \a time seconds
     virtual void fadeScreenIn(const float time, bool clearQueue);