Minor cleanup

roles/base/tasks/system.yml

@@ -10,12 +10,6 @@
     dest: /root/.ssh/authorized_keys
   when: authorized_keys is defined
 
-- name: Install btrfs-tools
-  apt:
-    name: btrfs-tools
-    state: present
-  when: btrfs_support is defined and btrfs_support | bool == true
-
 - name: Manage filesystem mounts
   mount:
     path: "{{ item.path }}"