Remove Twitter link from footer

Author: tmorrell

src/_includes/partials/footer.html

@@ -102,11 +102,6 @@ <h3 class="contact-title">Keep in touch</h3>
                   <a href="https://invenio-talk.web.cern.ch">Talk</a>
                 </td>
               </tr>
-              <tr>
-                <td>
-                  <a href="https://x.com/inveniosoftware">@𝕏</a>
-                </td>
-              </tr>
               <tr>
                 <td><a href="/feed.xml">Blog Feed</a></td>
               </tr>