drop inline laravel frontend assets

frontend lives separately at frontend/blog_portal (vue 3 spa).
removed backend/{vite.config.js,package.json,resources/css,
resources/js}.

backend/resources/css/app.css

@@ -1,11 +0,0 @@
-@import 'tailwindcss';
-
-@source '../../vendor/laravel/framework/src/Illuminate/Pagination/resources/views/*.blade.php';
-@source '../../storage/framework/views/*.php';
-@source '../**/*.blade.php';
-@source '../**/*.js';
-
-@theme {
-    --font-sans: 'Instrument Sans', ui-sans-serif, system-ui, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji',
-        'Segoe UI Symbol', 'Noto Color Emoji';
-}

backend/resources/js/app.js

@@ -1 +0,0 @@
-import './bootstrap';

backend/resources/js/bootstrap.js

@@ -1,4 +0,0 @@
-import axios from 'axios';
-window.axios = axios;
-
-window.axios.defaults.headers.common['X-Requested-With'] = 'XMLHttpRequest';