site(gordon): do not persist open state

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>

assets/js/src/alpine.js

@@ -90,7 +90,7 @@ Alpine.magic('markdown', () => {
 // Stores
 Alpine.store("showSidebar", false)
 Alpine.store('gordon', {
-  isOpen: Alpine.$persist(false).using(sessionStorage).as('gordon-isOpen'),
+  isOpen: false,
   query: '',
   toggle() {
     this.isOpen = !this.isOpen