Vault is correct.
More specifcally, here are some edits for that file.
Find and remove this code:
echo '
', $txt['hello_member'], ' <strong>', !empty($member_info['colored_name']) ? $member_info['colored_name'] : $member_info['name'], '</strong>
<br /><br />';
if (!empty($member_info['avatar']['image']))
echo '
', $member_info['avatar']['image'], '<br /><br />';
if (!empty($member_info['group']))
echo '
', $member_info['group'], '<br />';
else
echo '
', $member_info['post_group'], '<br />';
echo '
', $member_info['group_stars'], '<br />';
echo '
<br />
Replace this code:
<div class="sp_online_flow">
<ul class="sp_list">';
foreach ($stats['users_online'] as $user)
echo '
<li class="sp_list_indent">', sp_embed_image($user['name'] == 'H' ? 'tux' : 'user'), ' ', $user['hidden'] ? '<em>' . $user['link'] . '</em>' : $user['link'], '</li>';
echo '
</ul>
</div>';
With this code:
<div class="sp_online_flow">';
$num_users = count($stats['users_online']);
$i = 1;
foreach ($stats['users_online'] as $user)
{
echo '
', ($user['hidden'] ? '<em>' . $user['link'] . '</em>' : $user['link']), ($num_users = $i ? '' : ', ');
$i++;
}
echo '
</div>';