Update ansible configuration to match current system state

- Updated ethernet interface name to enp0s20u1u1u2
- Changed default shell to fish
- Removed uninstalled packages (zsh, htop, rclone, helm, llama-swap)
- Network config still differs (systemd-networkd/iwd vs nmcli)

ansible/roles/common/tasks/main.yml

@@ -31,7 +31,7 @@
   ansible.builtin.user:
     name: "{{ common_user_name }}"
     password: "{{ common_user_password }}"
-    shell: /bin/bash
+    shell: "{{ common_user_shell | default('/bin/bash') }}"
     state: present
     create_home: yes
   tags: [ 'common', 'users' ]