Improve validation of xml mindmaps during save.

wise-webapp/src/main/webapp/jsp/mindmapEditor.jsp

@@ -33,14 +33,11 @@
     </script>
     <script type="text/javascript">
         var mapId = '${mindmap.id}';
-        var memoryPersistence = ${memoryPersistence};
-        var readOnly = ${readOnlyMode};
         var lockTimestamp = '${lockTimestamp}';
         var lockSession = '${lockSession}';
         var mindmapLocked = ${mindmapLocked};
         var mindmapLockedMsg = '<spring:message code="MINDMAP_LOCKED" arguments="${lockInfo.user.fullName},${lockInfo.user.email}"/>';
         var userOptions = ${mindmap.properties};
-        var isAuth = ${principal != null};
         var accountName = '${principal.fullName}';
         var accountEmail = '${principal.email}';
         var mapTitle = '${mindmap.title}';