remove demo tests

e2e/demo.test.ts

@@ -1,6 +0,0 @@
-import { expect, test } from '@playwright/test';
-
-test('home page has expected h1', async ({ page }) => {
-	await page.goto('/');
-	await expect(page.locator('h1')).toBeVisible();
-});

src/demo.spec.ts

@@ -1,7 +0,0 @@
-import { describe, it, expect } from 'vitest';
-
-describe('sum test', () => {
-	it('adds 1 + 2 to equal 3', () => {
-		expect(1 + 2).toBe(3);
-	});
-});