chore: Remove builder starter as it is not using SDK

scripts/validate-cli.ts

@@ -48,7 +48,6 @@ async function validateCreateQwikCli() {
 
   const tmpDir = join(__dirname, '..', 'dist-dev');
   await validateStarter(api, tmpDir, 'starter', 'express');
-  await validateStarter(api, tmpDir, 'starter-builder', 'cloudflare-pages');
   await validateStarter(api, tmpDir, 'starter-partytown', 'express');
   await validateStarter(api, tmpDir, 'todo', 'cloudflare-pages');
 

starters/e2e/starter-builder.spec.ts

@@ -1,7 +1,7 @@
 import { test, expect } from '@playwright/test';
 
 test('rendered', async ({ page }) => {
-  await page.goto('/starter-builder/');
+  await page.goto('/starter/');
   page.on('pageerror', (err) => expect(err).toEqual(undefined));
 
   const body = page.locator('body');