fix: remove google groups link

Author: amysorto

material.angular.io/material.angular.io/src/app/shared/support/support.html

@@ -16,13 +16,6 @@
       </a>
       <div class="docs-help-support-description">Angular Community on Discord</div>
     </li>
-    <li>
-      <a href="https://groups.google.com/g/angular-material2">
-        <img src="../../../assets/img/homepage/google-groups-logo.png" alt="Google Groups icon" loading="lazy">
-        Google Groups
-      </a>
-      <div class="docs-help-support-description">Angular Components discussion forum</div>
-    </li>
     <li>
       <a href="https://twitter.com/angular">
         <img src="../../../assets/img/homepage/x-logo.svg" alt="X icon" loading="lazy">