Revert EL8 Python bootstrap and Calico CI (#13596)

This reverts commit e19d1c9a55.

Allow further maintainer discussion without introducing additional changes.

Signed-off-by: Kay Yan <kay.yan@daocloud.io>

roles/kubernetes/preinstall/tasks/0081-ntp-configurations.yml

@@ -83,9 +83,9 @@
         - ansible_facts['os_family'] == "RedHat"
 
     - name: Put SELinux in permissive mode, logging actions that would be blocked.
-      include_tasks: 0079-selinux.yml
-      vars:
-        selinux_state: permissive
+      ansible.posix.selinux:
+        policy: targeted
+        state: permissive
       when:
         - ansible_facts['os_family'] == "RedHat"
         - ansible_facts.selinux.status == 'enabled'
@@ -96,9 +96,9 @@
         name: "{{ ntp_timezone }}"
 
     - name: Re-enable SELinux
-      include_tasks: 0079-selinux.yml
-      vars:
-        selinux_state: "{{ preinstall_selinux_state }}"
+      ansible.posix.selinux:
+        policy: targeted
+        state: "{{ preinstall_selinux_state }}"
       when:
         - ansible_facts['os_family'] == "RedHat"
         - ansible_facts.selinux.status == 'enabled'