Changed example group_vars file to declare username as 'admin'

playbooks/group_vars/servers/main.yml.example

@@ -1,6 +1,6 @@
 ---
 passwords:
-  - username: senpai
-    password: "{{ vaulted_passwords.senpai.password }}"
+  - username: admin
+    password: "{{ vaulted_passwords.admin.password }}"
 local_ssh_private_key_files: [] # @NOTE list paths to SSH private keys
 chosen_local_ssh_private_key_file: "{{ local_ssh_private_key_files | random }}"