Remove comment HTML entities when converting GPX

inc/Project.php

@@ -27,7 +27,6 @@ class Project extends PhpObject {
 	private $sName;
 	private $sCodeName;
 	private $asActive;
-	private $asGeo;
 
 	public function __construct(Db &$oDb, $iProjectId=0) {
 		parent::__construct(__CLASS__, Settings::DEBUG);