chore: remove IPFS Camp banner (#248)

Author: fsdiogo

public/index.html

@@ -16,8 +16,6 @@
     <meta name="twitter:site" content="@ProtoSchool">
     <link rel="icon" href="<%= BASE_URL %>favicon.png">
     <link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">
-    <!-- ipfs camp -->
-    <script src="https://camp.ipfs.io/ribbon.min.js" async></script>
     <title>ProtoSchool</title>
     <style>
       body {