chore(site): Reorganize imports

sites/svelte.dev/src/routes/+page.svelte

@@ -1,14 +1,10 @@
 <script>
 	import { Blurb } from '@sveltejs/site-kit/components';
-	import { theme } from '@sveltejs/site-kit/stores';
 	import Demo from './_components/Demo.svelte';
 	import Hero from './_components/Hero.svelte';
-	import Image from './_components/Image.svelte';
 	import Supporters from './_components/Supporters/index.svelte';
 	import Try from './_components/Try.svelte';
 	import WhosUsingSvelte from './_components/WhosUsingSvelte/index.svelte';
-	import CollectiveDark from './svelte-collective-dark.png?big-image';
-	import CollectiveLight from './svelte-collective-light.png?big-image';
 </script>
 
 <svelte:head>