Removed obsolete backend dependencies

package.json

@@ -10,18 +10,14 @@
     "postinstall": "nuxt prepare"
   },
   "dependencies": {
-    "@hono/swagger-ui": "^0.6.1",
-    "@hono/zod-openapi": "^1.6.3",
     "@nuxt/fonts": "0.11.4",
     "@nuxt/icon": "^2.1.0",
     "@nuxt/image": "^2.0.0",
     "@types/howler": "^2.2.12",
     "argon2": "^0.45.1",
-    "axios": "^1.13.2",
     "defu": "^6.1.4",
     "fluent-ffmpeg": "^2.1.3",
     "fuse.js": "^7.5.0",
-    "hono": "^4.13.9",
     "howler": "^2.2.4",
     "mongoose": "^9.10.2",
     "nuxt": "^4.2.0",