remove trailing whitespace

roles/os_hardening/tasks/user_accounts.yml

@@ -28,7 +28,7 @@
     password_expire_min: "{{ os_auth_pw_min_age }}"
     password_expire_max: "{{ os_auth_pw_max_age }}"
   loop: "{{ root_users }}"
-  when: 
+  when:
     - os_rootuser_pw_ageing | bool
     - getent_shadow[item][0] is not match("\*") # password hashes containing illegal characters like "*" are unusable (locked) and don't need to age
     - getent_shadow[item][0] is not match("\!") # password hashes containing illegal characters like "!" are unusable (locked) and don't need to age