chore: use mcp implementation in Playwright (#992)

extension/playwright.config.ts

@@ -1,31 +0,0 @@
-/**
- * Copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { defineConfig } from '@playwright/test';
-
-import type { TestOptions } from '../tests/fixtures';
-
-export default defineConfig<TestOptions>({
-  testDir: './tests',
-  fullyParallel: true,
-  forbidOnly: !!process.env.CI,
-  retries: process.env.CI ? 2 : 0,
-  workers: process.env.CI ? 1 : undefined,
-  reporter: 'list',
-  projects: [
-    { name: 'chromium', use: { mcpBrowser: 'chromium' } },
-  ],
-});