[gnome-shell-extensions] AlternateTab: remove more unused code

[Giovanni Campagna <gcampagna src gnome org>]

commit ef663f3f0c0022719ff0a06b4ebbb13a9563f58e
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Wed Jan 12 21:32:26 2011 +0100

    AlternateTab: remove more unused code
    
    Thomas said it is not needed, so just let it disappear.

 extensions/alternate-tab/extension.js |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/extensions/alternate-tab/extension.js b/extensions/alternate-tab/extension.js
index ce8575d..6db55e8 100644
--- a/extensions/alternate-tab/extension.js
+++ b/extensions/alternate-tab/extension.js
@@ -224,11 +224,6 @@ WindowList.prototype = {
 	}
     },
 
-    _sortAppIcon : function(appIcon1, appIcon2) {
-        log ("Function not implemented: _sortAppIcon");
-        return 1;
-    },
-
     addSeparator: function () {
         this._separator=null;
     }