code cleanup - remove unused variables and declare local variables, p=avlee, r=me (closes #2326)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@9766 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/Panel.js

@@ -189,7 +189,6 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
         // since they need to pass through.
         for (var i=0, len=controls.length; i<len; i++) {
             var element = document.createElement("div");
-            var textNode = document.createTextNode(" ");
             controls[i].panel_div = element;
             if (controls[i].title != "") {
                 controls[i].panel_div.title = controls[i].title;