[gnome-shell] messageTray: Remove some more dead code

[Jasper St. Pierre <jstpierre src gnome org>]

commit 2df0c02dfd86c93c22dc7b845c15ae6fe84ec127
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Aug 1 23:33:56 2013 -0400

    messageTray: Remove some more dead code
    
    It's impossible to have a clicked summary item if we have a main
    notification or the tray is hidden, and has been ever since 3.6.

 js/ui/messageTray.js |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 41ae340..9705fcb 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -2302,9 +2302,6 @@ const MessageTray = new Lang.Class({
 
         // Summary notification
         let haveClickedSummaryItem = this._clickedSummaryItem != null;
-        let summarySourceIsMainNotificationSource = (haveClickedSummaryItem && this._notification &&
-                                                     this._clickedSummaryItem.source == 
this._notification.source);
-        let canShowSummaryBoxPointer = this._trayState == State.SHOWN;
         // We only have sources with empty notification stacks for legacy tray icons. Currently, we never 
attempt
         // to show notifications for legacy tray icons, but this would be necessary if we did.
         let requestedNotificationStackIsEmpty = (haveClickedSummaryItem &&
@@ -2321,10 +2318,10 @@ const MessageTray = new Lang.Class({
                                       (wrongSummaryNotificationStack || wrongSummaryRightClickMenu));
 
         if (this._summaryBoxPointerState == State.HIDDEN) {
-            if (haveClickedSummaryItem && !summarySourceIsMainNotificationSource && canShowSummaryBoxPointer 
&& !requestedNotificationStackIsEmpty)
+            if (haveClickedSummaryItem && !requestedNotificationStackIsEmpty)
                 this._showSummaryBoxPointer();
         } else if (this._summaryBoxPointerState == State.SHOWN) {
-            if (!haveClickedSummaryItem || !canShowSummaryBoxPointer || wrongSummaryBoxPointer || 
!hasNotifications) {
+            if (!haveClickedSummaryItem || wrongSummaryBoxPointer || !hasNotifications) {
                 this._hideSummaryBoxPointer();
                 if (wrongSummaryBoxPointer)
                     this._showSummaryBoxPointer();