Cleanup support for removed OS in bootstrap

- centos < 8
- debian 10

roles/bootstrap_os/tasks/centos.yml

@@ -17,32 +17,6 @@
   when: not skip_http_proxy_on_os_packages
 
 # For Oracle Linux install public repo
-- name: Download Oracle Linux public yum repo
-  get_url:
-    url: https://yum.oracle.com/public-yum-ol7.repo
-    dest: /etc/yum.repos.d/public-yum-ol7.repo
-    mode: "0644"
-  when:
-    - use_oracle_public_repo | default(true)
-    - '''ID="ol"'' in os_release.stdout_lines'
-    - (ansible_distribution_version | float) < 7.6
-  environment: "{{ proxy_env }}"
-
-- name: Enable Oracle Linux repo
-  community.general.ini_file:
-    dest: /etc/yum.repos.d/public-yum-ol7.repo
-    section: "{{ item }}"
-    option: enabled
-    value: "1"
-    mode: "0644"
-  with_items:
-    - ol7_latest
-    - ol7_addons
-    - ol7_developer_EPEL
-  when:
-    - use_oracle_public_repo | default(true)
-    - '''ID="ol"'' in os_release.stdout_lines'
-    - (ansible_distribution_version | float) < 7.6
 
 - name: Install EPEL for Oracle Linux repo package
   package: