zentao/extension/ipd/workflowfield/ext/view/setexport.flow.html.hook.php

<?php if($flow->buildin):?>
<script>
$('.leftmenu .nav li a[href*=workflowreport]').remove();
$('.leftmenu .nav li a[href*=setFulltextSearch]').remove();
</script>
<?php endif;?>