Remove user and password parameters

ansible/roles/win_chocolatey/tasks/chocolatey.yml

@@ -66,8 +66,6 @@
     - name: open package page to get Chocolatey server to load nuget packages
       win_uri:
         url: http://localhost:{{ opt_chocolatey_server_http_port }}/chocolatey/Packages
-        user: '{{ pri_chocolatey_server_username|default(omit) }}'
-        password: '{{ pri_chocolatey_server_password|default(omit) }}'
         url_timeout: 600 
       tags: refresh_packages