Remove Product Hunt banner (#323)

Author: zackrw

packages/ui/public/index.html

@@ -82,7 +82,6 @@
       <a class="link" href="https://docs.openzeppelin.com/" target="_blank" rel="noopener noreferrer">Docs</a>
       <a class="link" href="https://github.com/OpenZeppelin/openzeppelin-contracts" target="_blank" rel="noopener noreferrer">GitHub</a>
       <a class="link" href="https://twitter.com/OpenZeppelin" target="_blank" rel="noopener noreferrer">Twitter</a>
-      <a href="https://www.producthunt.com/posts/openzeppelin-wizard-ai-assistant?utm_source=badge-featured&utm_medium=badge&utm_souce=badge-openzeppelin&#0045;wizard&#0045;ai&#0045;assistant" target="_blank" rel="noopener noreferrer"><img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=427093&theme=light" alt="OpenZeppelin&#0032;Wizard&#0032;AI&#0032;Assistant - An&#0032;AI&#0032;Assistant&#0032;built&#0032;into&#0032;OpenZeppelin&#0032;Contracts&#0032;Wizard | Product Hunt" style="width: 250px; height: 54px;" width="250" height="54" /></a>
     </div>
   </div>