Remove twitter logo from footer

Author: Prince-Tagadiya

themes/vocabulary_theme/templates/layout.html

@@ -196,10 +196,6 @@
               rel="noopener">
               <i class="icon margin-right-small is-size-4">instagram</i>
             </a>
-            <a href="https://www.twitter.com/creativecommons" class="social has-text-white" target="_blank"
-              rel="noopener">
-              <i class="icon margin-right-small is-size-4">twitter</i>
-            </a>
             <a href="https://www.facebook.com/creativecommons" class="social has-text-white" target="_blank"
               rel="noopener">
               <i class="icon margin-right-small is-size-4">facebook</i>