pull out tutorial

repl/vite.config.js

@@ -1,23 +1,7 @@
 import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
-import { fileURLToPath } from 'url'
-
-import mdx from 'vite-plugin-mdx';
-
-// `options` are passed to `@mdx-js/mdx`
-const options = {
-  // See https://mdxjs.com/advanced/plugins
-  remarkPlugins: [
-    // E.g. `remark-frontmatter`
-  ],
-  rehypePlugins: [],
-};
 
 // https://vitejs.dev/config/
 export default defineConfig({
-  input: {
-    repl: fileURLToPath(new URL('./index.html', import.meta.url)),
-    tutorial: fileURLToPath(new URL('./tutorial/index.html', import.meta.url)),
-  },
-  plugins: [react(), mdx(options)],
+  plugins: [react()],
 });