Remove a bunch of dead code

Code isn't version control. We don't need bug links and commented out
code to remind us of how things were done originally.

https://bugzilla.gnome.org/show_bug.cgi?id=671104

src/core/delete.c

@@ -162,34 +162,6 @@ meta_window_delete (MetaWindow  *window,
                             delete_ping_reply_func,
                             delete_ping_timeout_func,
                             window);
-  
-  if (window->has_focus)
-    {
-      /* FIXME Clean this up someday 
-       * http://bugzilla.gnome.org/show_bug.cgi?id=108706
-       */
-#if 0
-      /* This is unfortunately going to result in weirdness
-       * if the window doesn't respond to the delete event.
-       * I don't know how to avoid that though.
-       */
-      meta_topic (META_DEBUG_FOCUS,
-                  "Focusing default window because focus window %s was deleted/killed\n",
-                  window->desc);
-      meta_workspace_focus_default_window (window->screen->active_workspace,
-                                           window);
-#else
-      meta_topic (META_DEBUG_FOCUS,
-                  "Not unfocusing %s on delete/kill\n",
-                  window->desc);
-#endif
-    }
-  else
-    {
-      meta_topic (META_DEBUG_FOCUS,
-                  "Window %s was deleted/killed but didn't have focus\n",
-                  window->desc);
-    }
 }