Drop reference to IRC

Author: garydgregory

src/site/xdoc/index.xml

@@ -89,7 +89,7 @@ For previous releases, see the <a href="https://archive.apache.org/dist/commons/
 <section name="Getting Involved">
   <p>
     The <a href="mail-lists.html">commons developer mailing list</a> is the main channel of communication for contributors. Please remember that the lists are shared between all commons components, so prefix your email by [csv]. </p>
-  <p>You can also visit the #apache-commons IRC channel on irc.freenode.net or peruse <a href="issue-tracking.html">JIRA</a>. Specific links of interest for JIRA are:</p>
+  <p>You can also peruse <a href="issue-tracking.html">JIRA</a>. Specific links of interest for JIRA are:</p>
   <ul>
     <li>Ideas looking for code: <a href="https://issues.apache.org/jira/issues/?jql=project%20%3D%20CSV%20AND%20resolution%20%3D%20Unresolved%20AND%20fixVersion%20%3D%20%22Patch%20Needed%22">Patch Needed</a></li>
     <li>Issues with patches, looking for reviews: <a href="https://issues.apache.org/jira/issues/?jql=project%20%3D%20CSV%20AND%20resolution%20%3D%20Unresolved%20AND%20fixVersion%20%3D%20Review">Review Patch</a></li>