refactor: completely remove framer-motion and page transitions

components/PageTransition.tsx

@@ -1,39 +0,0 @@
-'use client';
-
-import { motion, AnimatePresence } from 'framer-motion';
-import { usePathname } from 'next/navigation';
-import React from 'react';
-
-interface PageTransitionProps {
-  children: React.ReactNode;
-  enabled: boolean;
-}
-
-/**
- * Provides smooth page transitions using framer-motion.
- * Can be toggled on/off via gallery.yaml.
- */
-export function PageTransition({ children, enabled }: PageTransitionProps) {
-  const pathname = usePathname();
-
-  if (!enabled) {
-    return <>{children}</>;
-  }
-
-  return (
-    <AnimatePresence mode="wait">
-      <motion.div
-        key={pathname}
-        initial={{ opacity: 0 }}
-        animate={{ opacity: 1 }}
-        exit={{ opacity: 0 }}
-        transition={{
-          duration: 0.3,
-          ease: 'easeInOut',
-        }}
-      >
-        {children}
-      </motion.div>
-    </AnimatePresence>
-  );
-}