chore: remove discourse.nativescript.org (#345)

Author: jarmani

layouts/_partials/header.ejs

@@ -92,10 +92,6 @@
                            target="_blank"
                            rel="noopener"
                            class="no-underline text-blue-lightest md:text-blue-dark hover:bg-green hover:text-white px-4 py-2">Twitter</a>
-                        <a href="https://discourse.nativescript.org/c/vue"
-                           target="_blank"
-                           rel="noopener"
-                           class="no-underline text-blue-lightest md:text-blue-dark hover:bg-green hover:text-white px-4 py-2">Forum</a>
                     </div>
                 </div>
             </div>