feat(create-vite): make vitePreprocess not the default in svelte (vitejs#21637)

Author: KTibow

packages/create-vite/template-svelte-ts/svelte.config.js

@@ -1,8 +1,2 @@
-import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'
-
 /** @type {import("@sveltejs/vite-plugin-svelte").SvelteConfig} */
-export default {
-  // Consult https://svelte.dev/docs#compile-time-svelte-preprocess
-  // for more information about preprocessors
-  preprocess: vitePreprocess(),
-}
+export default {}

packages/create-vite/template-svelte/svelte.config.js

@@ -1,8 +1,2 @@
-import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'
-
 /** @type {import("@sveltejs/vite-plugin-svelte").SvelteConfig} */
-export default {
-  // Consult https://svelte.dev/docs#compile-time-svelte-preprocess
-  // for more information about preprocessors
-  preprocess: vitePreprocess(),
-}
+export default {}