Remove Firefish completely

firefish.dev returns an empty page for me. The project is dead I think.

source/_data/miscellaneous.json

@@ -73,24 +73,6 @@
         "OStatusClass": false,
         "categories": ["Forums", "Links"]
       },
-      {
-        "title": "Firefish",
-        "source": "https://firefish.dev/firefish",
-        "protocols": "ActivityPub",
-        "site": "https://firefish.dev",
-        "logo": "/img/misc/firefish.svg",
-        "servers": "https://firefish.fediverse.observer/list",
-        "description": "A fun, new, open way to experience social media. A fork of Misskey, formerly known as Calckey.",
-        "codeLanguage": "TypeScript",
-        "techStack": "Node.js, Vue",
-        "license": "AGPL-3.0",
-        "FediAccount": "@firefish@info.firefish.dev",
-        "apClass": true,
-        "zotClass": false,
-        "diasporaClass": false,
-        "OStatusClass": false,
-        "categories": ["SN-mi"]
-      },
       {
         "title": "Akkoma",
         "source": "https://akkoma.dev/AkkomaGang/akkoma",