Delete old admins user account as default user on several systems

host_vars/galantine.las.kit.edu

 ansible_user: root
-user_account: gethmann
+user_account: nie
 ip_suffix: 91
 loc: 618
 os: Fedora 32

host_vars/homoeopatix.las.kit.edu

 ansible_user: root
-user_account: gethmann
+user_account: nie
 ip_suffix: 92
 loc: 618
 os: Fedora 31

host_vars/kantine.las.kit.edu

 ansible_user: root
 ansible_ssh_user: root
-ansible_remote_user: gethmann
-remote_user: gethmann
+ansible_remote_user: fatehi
+remote_user: fatehi
 ip_suffix: 100
 loc: 612
 os: CentOS 7.4

host_vars/obelix.las.kit.edu

 ansible_user: root
-user_account: gethmann
+user_account: nie
 ip_suffix: 126
 loc: 618
 os: Fedora 31

roles/opera/tasks/opera.yml

@@ -41,7 +41,7 @@
 
 - name: copy libraries from real CentOS 7 host (server)
   become: yes
-  become_user: gethmann  # see above
+  become_user: fatehi  # see above
   copy:
     src: "/mnt/las-archiv1/system/Opera/18/CentOS7libs/{{ item.src }}"
     dest: "{{ opera_path }}/CentOS7libs/{{ item.dest }}"