Remove unnecessary use of become from some roles

This should make execution much faster

ansible/roles/docker_cleanup/tasks/zfs-override.yml

@@ -3,7 +3,6 @@
     path: /etc/systemd/system/docker.service.d
     state: directory
     mode: "0755"
-  become: true
 
 - name: Create override.conf
   copy:
@@ -12,4 +11,3 @@
     owner: root
     group: root
     mode: "0644"
-  become: true