fix ticket #1755 - clearnet URL to i2p URL

i2p2www/pages/site/get-involved/index.html

@@ -23,7 +23,7 @@ Tell your friends.
 {%- endtrans %}
 </li><li><b>{{ _('Testing') }}</b> &mdash;
 {% trans monotone=site_url('get-involved/guides/monotone'),
-trac='https://trac.i2p2.de/report/1' -%}
+trac='http://trac.i2p2.i2p/report/1' -%}
 Run the latest builds from <a href="{{ monotone }}">monotone</a>
 and report results on #i2p or as bugs on <a href="{{ trac }}">Trac</a>.
 {%- endtrans %}