releng: strip some old things

- since my previous cleanup passes removed some contents, it is now
	  possible to remove even more contents!
	- remove some footnotes that refer to the same article the text they
	  footnote link to.

en_US.ISO8859-1/articles/releng/article.xml

@@ -55,12 +55,7 @@
   <para>The development of &os; is a very open process.  &os; is
     comprised of contributions from thousands of people around the
     world.  The &os; Project provides
-    Subversion
-    <footnote>
-      <simpara>
-        Subversion, <uri xlink:href="http://subversion.apache.org">http://subversion.apache.org</uri>  
-      </simpara>
-    </footnote>
+    <application>Subversion</application>
     access to the general public so that
     others can have access to log messages, diffs (patches) between
     development branches, and other productivity enhancements that
@@ -71,18 +66,8 @@
     Therefore only a <quote>select</quote> group of nearly 300 people are
     given write access to the Subversion repository.  These
     <link xlink:href="&url.articles.contributors;/article.html#staff-committers">committers</link>
-    <footnote>
-      <simpara>
-        <link xlink:href="&url.articles.contributors;/article.html#staff-committers">FreeBSD committers</link>
-      </simpara>
-    </footnote>
     are usually the people who do the bulk of &os; development.  An elected
     <link xlink:href="&url.base;/administration.html#t-core">Core Team</link>
-    <footnote>
-      <simpara>
-        <link xlink:href="&url.base;/administration.html#t-core">&os; Core Team</link>
-      </simpara>
-    </footnote>
     of developers provide some level of direction over the project.</para>
 
   <para>The rapid pace of <systemitem>&os;</systemitem>
@@ -695,18 +680,6 @@
       be unwise to distribute binaries that were built on a system
       with <varname>CPUTYPE</varname> set to a specific
       processor.</para></note>
-
-  </sect2>
-
-  <sect2>
-    <title>Contributed Software (<quote>ports</quote>)</title>
-
-    <para>The <link xlink:href="http://www.FreeBSD.org/ports">&os; Ports
-      collection</link> is a collection of over &os.numports;
-      third-party software packages available for &os;. The &a.portmgr;
-      is responsible for maintaining a consistent ports tree that can be used
-      to create the binary packages that accompany official &os;
-      releases.</para>
   </sect2>
 </sect1>