[gnome-shell] iconGrid: Remove unuseful comment

[Carlos Soriano <csoriano src gnome org>]

commit 02870e5363e66bb3b4b34dea0903e5fafa47c275
Author: Carlos Soriano <carlos soriano89 gmail com>
Date:   Sat Sep 6 13:49:09 2014 +0200

    iconGrid: Remove unuseful comment

 js/ui/iconGrid.js |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/iconGrid.js b/js/ui/iconGrid.js
index d90cda4..5e2cf7f 100644
--- a/js/ui/iconGrid.js
+++ b/js/ui/iconGrid.js
@@ -447,7 +447,6 @@ const IconGrid = new Lang.Class({
             actorClone.set_size(originalWidth, originalHeight);
 
             let bounceUpTime = ANIMATION_TIME_IN / 4;
-            // Defeat onComplete anonymous function closure
             let isLastItem = index == actors.length - 1;
             Tweener.addTween(actorClone,
                             { time: bounceUpTime,