feat: remove vanilla-extract

packages/website/astro.config.mjs

@@ -2,7 +2,6 @@
 
 import react from '@astrojs/react';
 import sitemap from '@astrojs/sitemap';
-import { vanillaExtractPlugin } from '@vanilla-extract/vite-plugin';
 import { defineConfig } from 'astro/config';
 
 export default defineConfig({
@@ -14,7 +13,6 @@ export default defineConfig({
 
   integrations: [react(), sitemap()],
   vite: {
-    plugins: [vanillaExtractPlugin()],
     resolve: {
       alias: {
         '.prisma/client/index-browser':