patch for #625 - remove extraneous _observeAndCache() function which is only used once. it doesnt seem to conceptually abstract anything, so lets inline it

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2991 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Events.js

@@ -114,18 +114,6 @@ OpenLayers.Event = {
             name = 'keydown';
         }
 
-        this._observeAndCache(element, name, observer, useCapture);
-    },
-
-    /** 
-     * @param {DOMElement} element
-     * @param {String} name
-     * @param {function} observer
-     * @param {Boolean} useCapture
-     * 
-     */
-    _observeAndCache: function(element, name, observer, useCapture) {
-
         //if observers cache has not yet been created, create it
         if (!this.observers) {
             this.observers = new Object();
@@ -135,6 +123,7 @@ OpenLayers.Event = {
         if (!this.observers[element.id]) {
             this.observers[element.id] = new Array();
         }
+
         //add a new observer to this element's list
         this.observers[element.id].push({
             'element': element,