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,