refactor: remove unused SVG from Footer component

src/components/layout/Footer.tsx

@@ -21,9 +21,6 @@ export const Footer = () => {
                 className="group flex items-center gap-2 sm:gap-3 text-xl sm:text-4xl theme-text-90 hover:theme-primary transition-colors"
               >
                 jleibl@proton.me
-                <svg className="w-5 h-5 sm:w-8 sm:h-8 opacity-0 group-hover:opacity-100 transition-all -translate-x-4 group-hover:translate-x-0 duration-300" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
-                  <path d="M5 12h14M12 5l7 7-7 7"/>
-                </svg>
               </a>
             </div>
           </FadeIn>

src/components/layout/Header.tsx

@@ -2,7 +2,6 @@ import { motion } from 'framer-motion';
 import Link from 'next/link';
 import dynamic from 'next/dynamic';
 
-// Lazy load the mobile menu component
 const MobileMenu = dynamic(() => import('./MobileMenu').then(mod => ({ default: mod.MobileMenu })), {
   ssr: false,
   loading: () => (