addSize() is never used. Keep it Simple

git-svn-id: http://svn.openlayers.org/trunk/openlayers@50 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Util.js

@@ -80,18 +80,6 @@ OpenLayers.Pixel.prototype = {
     },
 
 
-    /** Return a new Pixel with this pixel's x&y augmented by 
-    *    the Size value passed in.
-    * 
-    * @param {OpenLayers.Size} sz
-    * 
-    * @return {OpenLayers.Pixel}
-    */
-    addSize:function(sz) {
-        return new OpenLayers.Pixel(this.x+sz.w, this.y+sz.h);
-    },
-
-
     /** Return a new Pixel with this pixel's x&y augmented by 
     *    the Size value passed in.
     *