feat: remove unused communities

Author: anyulled

src/components/footer.astro

@@ -28,17 +28,7 @@ const links: Array<FooterLink> = [
     url: "https://www.youtube.com/user/BarcelonaJUG",
     description: "Youtube",
     icon: "fa-brands:youtube",
-  },
-  {
-    url: "https://bit.ly/BarcelonaJUG",
-    description: "Google Group",
-    icon: "fa-brands:google",
-  },
-  {
-    url: "https://www.facebook.com/BarcelonaJUG",
-    description: "Facebook",
-    icon: "fa-brands:facebook",
-  },
+  }
 ];
 ---