fix: remove obsolete astro:after-swap listener

which can be triggered in Astro 5.0 even with Swup, causing duplicate initialization

src/layouts/Layout.astro

@@ -337,10 +337,6 @@ function init() {
 /* Load settings when entering the site */
 init();
 
-/* Load settings before swapping */
-/* astro:after-swap event happened before swap animation */
-document.addEventListener('astro:after-swap', init);
-
 const setup = () => {
 	// TODO: temp solution to change the height of the banner
 /*