library: remove monero blitz

Author: plowsof

library/index.md

@@ -56,8 +56,6 @@ meta_descr: library.description
         <div class="info-block text-adapt">
             <h2>{% t library.newsletters %}</h2>
             <div>
-                <h3><a href="https://monero.observer/tag/blitz/">Monero Observer Blitz</a></h3>
-                  <p>{% t library.moneroobserverblitz %}</p>
                 <h3><a href="https://revuo-xmr.com/">Revuo Monero</a></h3>
                   <p>{% t library.revuomonero %}</p>
                 <h3><a href="https://localmonero.co/the-monero-standard">The Monero Standard</a></h3>