Fix knightly pipeline

This PR is the combination of !23 (closed) !27 (closed) !28 (closed). Since the three PR is kind of in a circular dependency and hard to integrate and debug. So I create this new PR to make it easier.

ansible/roles/cheaha.node/tasks/main.yml

@@ -32,11 +32,6 @@
     state: present
     key: "{{ root_ssh_key }}"
 
-- name: Install openstack-rocky repo
-  ansible.builtin.yum:
-    name: centos-release-openstack-rocky
-    state: present
-
 - name: Set timezone to America/Chicago
   community.general.timezone:
     name: America/Chicago