remove unmaintained mastodon link from footer (#7873)

apps/site/app/[locale]/layout.tsx

@@ -39,13 +39,6 @@ const RootLayout: FC<RootLayoutProps> = async ({ children, params }) => {
           </ThemeProvider>
         </NextIntlClientProvider>
 
-        <a
-          rel="me"
-          aria-hidden="true"
-          className="hidden"
-          href="https://social.lfx.dev/@nodejs"
-        />
-
         {VERCEL_ENV && (
           <>
             <Analytics />

apps/site/navigation.json

@@ -84,11 +84,6 @@
       "link": "https://discord.gg/nodejs",
       "alt": "Discord"
     },
-    {
-      "icon": "mastodon",
-      "link": "https://social.lfx.dev/@nodejs",
-      "alt": "Mastodon"
-    },
     {
       "icon": "bluesky",
       "link": "https://bsky.app/profile/nodejs.org",

apps/site/util/__tests__/navigation.test.mjs

@@ -0,0 +1,25 @@
+import assert from 'node:assert/strict';
+import { readFile } from 'node:fs/promises';
+import { describe, it } from 'node:test';
+
+import navigation from '../../navigation.json' with { type: 'json' };
+
+describe('navigation config', () => {
+  it('does not expose the retired Mastodon account', () => {
+    assert.equal(
+      navigation.socialLinks.some(
+        ({ link }) => link === 'https://social.lfx.dev/@nodejs'
+      ),
+      false
+    );
+  });
+
+  it('does not keep the retired Mastodon profile in the root layout', async () => {
+    const layout = await readFile(
+      new URL('../../app/[locale]/layout.tsx', import.meta.url),
+      'utf8'
+    );
+
+    assert.equal(layout.includes('https://social.lfx.dev/@nodejs'), false);
+  });
+});