utils.js: try different approach to running WebKit

... and removed unused `device` definition, should've been removed in the previous commit

packages/kit/test/utils.js

@@ -1,7 +1,7 @@
 import fs from 'fs';
 import http from 'http';
 import * as ports from 'port-authority';
-import { test as base, devices } from '@playwright/test';
+import { test as base } from '@playwright/test';
 
 export const test = base.extend({
 	// @ts-expect-error
@@ -136,13 +136,6 @@ export const test = base.extend({
 	}
 });
 
-const useDesktopChrome = {
-	browserName: 'chromium',
-	// use stable chrome from host OS instead of downloading one
-	// see https://playwright.dev/docs/browsers#google-chrome--microsoft-edge
-	channel: 'chrome'
-};
-
 /** @type {import('@playwright/test').PlaywrightTestConfig} */
 export const config = {
 	forbidOnly: !!process.env.CI,
@@ -157,14 +150,12 @@ export const config = {
 		{
 			name: `${process.env.DEV ? 'dev' : 'build'}+js_chrome`,
 			use: {
-				use: useDesktopChrome,
 				javaScriptEnabled: true
 			}
 		},
 		{
 			name: `${process.env.DEV ? 'dev' : 'build'}-js_chrome`,
 			use: {
-				use: useDesktopChrome,
 				javaScriptEnabled: false
 			}
 		},
@@ -185,6 +176,9 @@ export const config = {
 	],
 	use: {
 		screenshot: 'only-on-failure',
+		// use stable chrome from host OS instead of downloading one
+		// see https://playwright.dev/docs/browsers#google-chrome--microsoft-edge
+		channel: 'chrome',
 		trace: 'retain-on-failure'
 	},
 	workers: process.env.CI ? 2 : undefined