noc: remove mention of twitter

Author: rspier

docs/noc/index.html

@@ -115,9 +115,9 @@ <H1>The Perl NOC</H1>
 <h2>Reporting Issues</h2>
 
 <p>
-Before reporting an issue check <a href="http://log.perl.org/">log.perl.org</a>
-and <a href="https://twitter.com/perlorg">the perl.org twitter feed</a> to
-ensure that there are no known issues/outages.
+Before reporting an issue
+check <a href="http://log.perl.org/">log.perl.org</a> to ensure that
+there are no known issues/outages.
 </p>
 
 <p>