Delete or comment from this part of sitemaps.php:
// Most active members?
if ($modSettings['seo4smf_enable'] != "on")
{
foreach ($members as $member)
{
echo '
<url>
<loc>', $scripturl, '?action=profile;u=', $member['id'], '</loc>
<lastmod>', posts_max_time($member['times']), '</lastmod>
<changefreq>', posts_to_freq($member['times']), '</changefreq>
<priority>', posts_to_priority(0.3, $board['times']), '</priority>
</url>';
}
}
else
{
$scripturl1 = str_replace("/index.php", "", $scripturl);
foreach ($members as $member)
{
echo '
<url>
<loc>', $scripturl1, '/profiles/', $member['name'], '-u', $member['id'], '.html</loc>
<lastmod>', posts_max_time($member['times']), '</lastmod>
<changefreq>', posts_to_freq($member['times']), '</changefreq>
<priority>', posts_to_priority(0.3, $board['times']), '</priority>
</url>';
}
}