Clean up and optimize build

- Remove unused MDX dependencies and configuration
- Delete unused components (AnimatedLanguageSwitcher, AnimatedText, Foundations)
- Remove unused utility files (clamp.ts)
- Clean up unused imports and variables across components
- Simplify Next.js configuration
- Fix function signatures in avatar utility
- Reduce bundle size and improve build performance

Author: mmaxence

next.config.ts

@@ -1,11 +1,6 @@
 import type { NextConfig } from "next";
-import createMDX from '@next/mdx';
 
 const nextConfig: NextConfig = {
-  pageExtensions: ['js', 'jsx', 'mdx', 'ts', 'tsx'],
-  experimental: {
-    mdxRs: true,
-  },
   output: 'export',
   trailingSlash: true,
   assetPrefix: '/design',
@@ -15,11 +10,4 @@ const nextConfig: NextConfig = {
   },
 };
 
-const withMDX = createMDX({
-  options: {
-    remarkPlugins: [],
-    rehypePlugins: [],
-  },
-});
-
-export default withMDX(nextConfig);
+export default nextConfig;

package.json

@@ -6,15 +6,9 @@
     "dev": "next dev --turbopack",
     "build": "next build --turbopack",
     "start": "next start",
-    "lint": "eslint",
-    "export": "next build && next export",
-    "deploy": "npm run build && touch out/.nojekyll && git add out/ && git commit -m 'Deploy to GitHub Pages' && git subtree push --prefix out origin gh-pages"
+    "lint": "eslint"
   },
   "dependencies": {
-    "@mdx-js/loader": "^3.1.1",
-    "@mdx-js/react": "^3.1.1",
-    "@next/mdx": "^15.5.3",
-    "@types/mdx": "^2.0.13",
     "framer-motion": "^12.23.12",
     "lucide-react": "^0.544.0",
     "next": "15.5.3",