Fixed the php.net part of bug #72880 (snaps.php.net still linked from other php.net sites)

This is simply, like stated in the bug report, a left over anchor in the sidebar

Author: KalleZ

sites.php

@@ -250,7 +250,6 @@ interface to it. There you can browse the history (and latest versions) of the
 <p class='panel'><a href="#cvs">Archived CVS Repository</a></p>
 <p class='panel'><a href="#lxr">Cross Reference</a></p>
 <p class='panel'><a href="#gtk">PHP-GTK</a></p>
-<p class='panel'><a href="#snaps">Daily PHP Snapshots</a></p>
 <p class='panel'><a href="#gcov">Test and Code Coverage analysis</a></p>
 <p class='panel'><a href="#wiki">The PHP Wiki</a></h2>
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