This method removes a listener from the 
liveDictionary object.
            
function DictionaryListener()
{
	this.onDictionaryModified = onDictionaryModifyFunc;
}
function onDictionaryModifyFunc(dictionary, operation, key, context)
{
    alert(modified);
    //implementation of onDictionaryModifyFunc
}
//main
function main()
{
    var liveDictObj = shell.serviceManager.basics.liveDictionary;
    var dictListenerObj = new DictionaryListener();
    liveDictObj.addListener(dictListenerObj, null);
    liveDictObj.setValueForKey(217, "two");
    
    liveDictObj.removeListener(dictListenerObj);
}