Fix host entries permissions

The cleanup tasks needs become: true because it was created with root.

Change-Id: Iaa39aa301be182722e0650583d1ad17c0e8dc82b
Related-Bug: #1883609

tripleo_ansible/roles/tripleo_hosts_entries/tasks/main.yml

@@ -98,6 +98,7 @@
     - tripleo_hosts_entries
 
 - name: Clean up temporary hosts file
+  become: true
   file:
     path: "{{ tripleo_hosts_entries_tmp_hosts.path }}"
     state: absent