Revert "chore(playground): add Vercel deployment button to GitHub sharing content"

This reverts commit 83c6da6.

Author: enzonotario

apps/playground/app/components/share/ShareGithubTab.vue

@@ -105,9 +105,7 @@ async function submit() {
           type: 'blob',
           content: `# ${state.value.name}
 
-Aplicación Web desarrollada en [EsJS](https://es.js.org/).
-
-[![Desplegar con Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=${encodeURIComponent(repo.data.html_url)})`,
+Aplicación Web desarrollada en [EsJS](https://es.js.org/).`,
         },
       ],
       base_tree: currentCommit.data.commit.tree.sha,