💚 Set selenium as default for acceptance tests

protected/humhub/tests/codeception/acceptance.suite.yml

@@ -11,15 +11,10 @@
 class_name: AcceptanceTester
 modules:
   enabled:
-    - WebDriver:
-        url: 'http://localhost:8080/'
-        window_size: false # disabled in ChromeDriver
-        port: 9515
-        restart: true
-        browser: chrome
-        capabilities:
-          chromeOptions:
-            args: ['--headless', '--disable-gpu', '--no-sandbox']
+    - WebDriver
     - tests\codeception\_support\WebHelper
-
-        
+  config:
+    WebDriver:
+      url: 'http://localhost:8080/'
+      browser: chrome
+      port: 4444