collab: Disable sftp backups

roles/collab/tasks/main.yml

@@ -269,15 +269,3 @@
     owner: root
     group: "{{ ansible_wheel }}"
   notify: Restart apache
-
-- name: Import sftpuser role
-  ansible.builtin.import_role:
-    name: sftpuser
-  vars:
-    sftpuser_chroot: /srv/wikis/collab
-
-- name: Add backup user to collab group
-  ansible.builtin.user:
-    name: backup
-    groups: collab
-    append: true