Remove custom discord link becasue it stopped working

res/include/md/100_gigabit_ethernet.md

@@ -625,4 +625,4 @@ GitHub](https://github.com/Fornaxian/pixeldrain_web/blob/master/res/include/md/1
 
 Follow me on [Mastodon](https://mastodon.social/@fornax),
 [Twitter](https://twitter.com/Fornax96), join our
-[Discord](https://discord.gg/pixeldrain), et cetera et cetera
+[Discord](https://discord.gg/TWKGvYAFvX), et cetera et cetera

res/include/md/filesystem.md

@@ -9,7 +9,7 @@ account with a paid subscription (Patreon or Prepaid) by going to
    personally too, you are strongly advised to keep backups of anything you
    upload there.
  * If you experience any issues while using the filesystem, feel free to discuss
-   them on [the Discord community](https://discord.gg/pixeldrain).
+   them on [the Discord community](https://discord.gg/TWKGvYAFvX).
 
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