Only use iptables alternative on older iptables versions

Signed-off-by: Derek Nola <derek.nola@suse.com>

roles/raspberrypi/tasks/main.yml

@@ -41,17 +41,9 @@
     - raspberry_pi|default(false)
     - ansible_facts.os_family is match("Archlinux")
 
-- name: Set detected_distribution_major_version
-  ansible.builtin.set_fact:
-    detected_distribution_major_version: "{{ ansible_facts.lsb.major_release }}"
-  when: >
-    ( detected_distribution | default("") == "Raspbian" or
-      detected_distribution | default("") == "Debian" )
-
 - name: Execute OS related tasks on the Raspberry Pi
   ansible.builtin.include_tasks: "{{ item }}"
   with_first_found:
-    - "prereq/{{ detected_distribution }}-{{ detected_distribution_major_version }}.yml"
     - "prereq/{{ detected_distribution }}.yml"
     - "prereq/{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yml"
     - "prereq/{{ ansible_distribution }}.yml"