chroe(preview-server): remove remaining test dependency on the demo

Author: gabrielmfern

packages/preview-server/src/utils/caniemail/tailwind/get-tailwind-config.spec.ts

@@ -5,24 +5,6 @@ import { pixelBasedPreset } from '@react-email/components';
 import { getTailwindConfig } from './get-tailwind-config';
 
 describe('getTailwindConfig()', () => {
-  it("works on the demo's Vercel Invite template", async () => {
-    const sourcePath = path.resolve(
-      __dirname,
-      '../../../../../../apps/demo/emails/notifications/vercel-invite-user.tsx',
-    );
-    const sourceCode = await fs.readFile(sourcePath, 'utf8');
-    const ast = parse(sourceCode, {
-      strictMode: false,
-      errorRecovery: true,
-      sourceType: 'unambiguous',
-      plugins: ['jsx', 'typescript', 'decorators'],
-    });
-
-    expect(await getTailwindConfig(sourceCode, ast, sourcePath)).toEqual({
-      presets: [pixelBasedPreset],
-    });
-  });
-
   it('works with email templates that import the tailwind config', async () => {
     const sourcePath = path.resolve(
       __dirname,