OG description bug for NFT instances

Fixes #1578

lib/metadata/templates/title.ts

@@ -14,7 +14,7 @@ const TEMPLATE_MAP: Record<Route['pathname'], string> = {
   '/address/[hash]/contract-verification': 'contract verification for %hash%',
   '/tokens': 'tokens',
   '/token/[hash]': '%symbol% token details',
-  '/token/[hash]/instance/[id]': 'token instance for %symbol%',
+  '/token/[hash]/instance/[id]': 'NFT instance',
   '/apps': 'apps marketplace',
   '/apps/[id]': '- %app_name%',
   '/stats': 'statistics',

lib/metadata/update.ts

@@ -5,11 +5,8 @@ import type { Route } from 'nextjs-routes';
 import generate from './generate';
 
 export default function update<R extends Route>(route: R, apiData: ApiData<R>) {
-  const { title, description, opengraph } = generate(route, apiData);
+  const { title, description } = generate(route, apiData);
 
   window.document.title = title;
   window.document.querySelector('meta[name="description"]')?.setAttribute('content', description);
-  window.document.querySelector('meta[property="og:title"]')?.setAttribute('content', opengraph.title);
-  opengraph.description &&
-    window.document.querySelector('meta[property="og:description"]')?.setAttribute('content', opengraph.description);
 }