Fix karbor upgrade

Remove mode "0660" because mode it's not a supported parameters for kolla_docker

Change-Id: I1e3d690eb3cb5d61b1c88f6da2f9b10e2c5f3603
Closes-Bug: #1804702

ansible/roles/karbor/tasks/config.yml

@@ -75,7 +75,6 @@
     name: "{{ item.value.container_name }}"
     image: "{{ item.value.image }}"
     volumes: "{{ item.value.volumes }}"
-    mode: "0660"
     dimensions: "{{ item.value.dimensions }}"
   register: check_karbor_containers
   when: