Remove Modul Welcome

1. Open catalog/view/theme/default/template/common/home.tpl
2. Find and remove these code:

<?php if ($welcome) { ?>
<div class="top">
<div class="left"></div>
<div class="right"></div>
<div class="center">
<h1><?php //echo $heading_title; ?></h1>
</div>
</div>
<div class="middle">
<div><?php //echo $welcome; ?></div>
</div>
<div class="bottom">
<div class="left"></div>
<div class="right"></div>
<div class="center"></div>
</div>
<?php } ?>

how to