chore: remove telegram community (#12292)

close AF-2607

![CleanShot 2025-05-15 at 11 13 40](https://github.com/user-attachments/assets/31d2d2c5-3c62-43e3-93b6-0a66e029490b)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

- **Refactor**
  - Removed Telegram icon and link from the footer and About settings sections.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/backend/server/src/mails/components/footer.tsx

@@ -24,24 +24,19 @@ export const Footer = () => {
     >
       <Section align="center" width="auto" style={{ margin: '1px auto' }}>
         <Row>
-          {[
+          {['Github', 'Twitter', 'Discord', 'Youtube', 'Reddit'].map(
-            'Github',
+            platform => (
-            'Twitter',
+              <td key={platform} style={{ padding: '0 10px' }}>
-            'Discord',
+                <Link href={`https://affine.pro/${platform.toLowerCase()}`}>
-            'Youtube',
+                  <Img
-            'Telegram',
+                    src={`https://cdn.affine.pro/mail/2023-8-9/${platform}.png`}
-            'Reddit',
+                    alt={`affine ${platform.toLowerCase()} link`}
-          ].map(platform => (
+                    height="16px"
-            <td key={platform} style={{ padding: '0 10px' }}>
+                  />
-              <Link href={`https://affine.pro/${platform.toLowerCase()}`}>
+                </Link>
-                <Img
+              </td>
-                  src={`https://cdn.affine.pro/mail/2023-8-9/${platform}.png`}
+            )
-                  alt={`affine ${platform.toLowerCase()} link`}
+          )}
-                  height="16px"
-                />
-              </Link>
-            </td>
-          ))}
         </Row>
       </Section>
       <Section align="center" width="auto">

packages/frontend/core/src/desktop/dialogs/setting/general-setting/about/config.tsx

@@ -2,7 +2,6 @@ import {
   DiscordIcon,
   GithubIcon,
   RedditIcon,
-  TelegramIcon,
   TwitterIcon,
   YouTubeIcon,
 } from './icons';
@@ -28,11 +27,6 @@ export const relatedLinks = [
     title: 'YouTube',
     link: 'https://www.youtube.com/@affinepro',
   },
-  {
-    icon: <TelegramIcon />,
-    title: 'Telegram',
-    link: 'https://t.me/affineworkos',
-  },
   {
     icon: <RedditIcon />,
     title: 'Reddit',