fix: try to remove outdated SSH keys only if the corresponding user still...

fix: try to remove outdated SSH keys only if the corresponding user still exists (otherwise, the operation would fail because getpwnam() can't find the user)

tasks/remove_users_keys.yml

@@ -20,6 +20,7 @@
     - item.value.ssh_key_old is defined
     - item.value.ssh_comment_old is defined
     - item.value.ssh_key_old != item.value.ssh_key_current
+    - item.value.state != "absent"
 
 - name: alle ungültigen SSH-Keys vom Installationsuser entfernen
   ansible.posix.authorized_key: