reworked hostkey-provider again because reality is bad, very bad

common/tasks/sshd.yml

@@ -50,9 +50,3 @@
   tags:
     - ssh
     - packages
-
-- name: ensure we have our known_hosts
-  copy: src="{{ inventory_dir }}/fs_known_hosts" dest=/etc/ssh/ssh_known_hosts owner=root group=root mode=0644
-  tags:
-    - ssh
-    - hostkeys