Remove links to the portbuild article; it is outdated and about to be

removed.

en_US.ISO8859-1/htdocs/docs/books.xml

@@ -260,13 +260,6 @@
       Guidelines for new and/or potential port mentors and
       mentees.</p>
 
-    <p><a href="&url.articles;/portbuild/index.html">Package building
-	procedures</a> (portbuild)<br/>
-      Describes the approach used by the FreeBSD port manager team to
-      regularly build ports into packages.  It describes the portbuild
-      cluster, as well as the tools needed to do incremental,
-      experimental, and official release package builds.</p>
-
     <p><a href="&url.articles;/pr-guidelines/index.html">FreeBSD
 	Problem Report Handling Guidelines</a> (pr-guidelines)<br/>
       Recommended practices for handling FreeBSD problem reports.</p>

en_US.ISO8859-1/htdocs/internal/internal.xml

@@ -28,10 +28,6 @@ to expand FreeBSD's range of capabilities in new directions.</p>
 <a href="../doc/en_US.ISO8859-1/articles/releng/article.html">
 FreeBSD Release Engineering Process</a>.</p>
 
-<p>Here are the official
-<a href="../doc/en_US.ISO8859-1/articles/portbuild/article.html">
-package building procedures</a>.</p>
-
 <p>And here you will find the
 <a href="../releng/index.html">schedules for upcoming official releases
 of FreeBSD.</a></p>

en_US.ISO8859-1/htdocs/portmgr/index.xml

@@ -99,15 +99,6 @@ and
 	that are encountered along the way.</small></p>
   </li>
 
-  <li>
-    <p><a
-      href="&base;/doc/en_US.ISO8859-1/articles/portbuild/index.html">
-      FreeBSD Package Building Procedures</a><br/>
-
-      <small>Describes the technical operation of the build cluster.</small>
-    </p>
-  </li>
-
   <li>
     <p><a
       href="&base;/doc/en_US.ISO8859-1/articles/releng-packages/index.html">