Remove fediring links

I think the language of the site is not suitable for it.

src/components/Footer.astro

@@ -1,7 +1,3 @@
----
-const host = "comfycamp.space"
----
-
 <footer>
   <a href="https://m.comfycamp.space/@lumin" rel="me" target="_blank">
     <img src="/icons/mastodon.svg" width="18px" height="18px" /> Mastodon
@@ -9,11 +5,6 @@ const host = "comfycamp.space"
   <a href="https://matrix.to/#/@lumin:matrix.comfycamp.space" target="_blank">
     <img src="/icons/matrix.svg" width="18px" height="18px" /> Matrix
   </a>
-  <div class="fediring">
-    <a href={`https://fediring.net/previous?host=${ host }`}>←</a>
-    <a href="https://fediring.net/">Fediring</a>
-    <a href={`https://fediring.net/next?host=${ host }`}>→</a>
-  </div>
 </footer>
 
 <style>