b=222883, get rid of manage folder, r=mconnor

browser/components/bookmarks/content/bookmarks.js

@@ -325,7 +325,7 @@ var BookmarksCommand = {
       break;
     case "Folder":
     case "PersonalToolbarFolder":
-      commands = ["bm_openfolder", "bm_managefolder", "bm_separator", 
+      commands = ["bm_openfolder", "bm_separator", 
                   "bm_newbookmark", "bm_newfolder", "bm_newseparator", "bm_separator",
                   "cut", "copy", "paste", "bm_separator",
                   "delete", "bm_separator",