chore: remove unused dependencies (#21736)

web/eslint.config.js

@@ -1,5 +1,6 @@
 import js from '@eslint/js';
 import tslintPluginCompat from '@koddsson/eslint-plugin-tscompat';
+import prettier from 'eslint-config-prettier';
 import eslintPluginCompat from 'eslint-plugin-compat';
 import eslintPluginSvelte from 'eslint-plugin-svelte';
 import eslintPluginUnicorn from 'eslint-plugin-unicorn';
@@ -17,6 +18,7 @@ export default typescriptEslint.config(
   ...eslintPluginSvelte.configs.recommended,
   eslintPluginUnicorn.configs.recommended,
   js.configs.recommended,
+  prettier,
   {
     plugins: {
       tscompat: tslintPluginCompat,

web/package.json

@@ -62,7 +62,6 @@
     "thumbhash": "^0.1.1"
   },
   "devDependencies": {
-    "@eslint/eslintrc": "^3.1.0",
     "@eslint/js": "^9.18.0",
     "@faker-js/faker": "^9.3.0",
     "@koddsson/eslint-plugin-tscompat": "^0.2.0",
@@ -82,7 +81,6 @@
     "@types/luxon": "^3.4.2",
     "@types/qrcode": "^1.5.5",
     "@vitest/coverage-v8": "^3.0.0",
-    "autoprefixer": "^10.4.17",
     "dotenv": "^17.0.0",
     "eslint": "^9.18.0",
     "eslint-config-prettier": "^10.1.8",
@@ -102,7 +100,6 @@
     "svelte-check": "^4.1.5",
     "svelte-eslint-parser": "^1.2.0",
     "tailwindcss": "^4.1.7",
-    "tslib": "^2.6.2",
     "typescript": "^5.8.3",
     "typescript-eslint": "^8.28.0",
     "vite": "^7.1.2",