cleanup: removed centos code, cleaned up debian & ubuntu references

README.md

@@ -6,5 +6,3 @@ This role will apply available package upgrades to the target host.
 
 The 'update_cache' role should be run before running this role.
 
-This role should work for both Ubuntu as well as CentOS based target hosts.
-

tasks/main.yml

@@ -5,36 +5,28 @@
 #
 # The 'update_cache' role should be run before running this role.
 #
-# This role should work for both Ubuntu as well as CentOS based target hosts.
-#
 ###########################################################################
 # tasks file for upgrade_pkgs
 
 - debug: msg="Applying package updates"
 
-- name: Upgraded packages (Ubuntu)
+- name: Upgraded packages (Debian based repos)
   apt:
     name: "*"
     state: latest
   when: ansible_os_family == "Debian"
 
-- name: Clean up the autoremove packages (Ubuntu)
+- name: Clean up the autoremove packages (Debian based repos)
   apt:
     autoremove: true
     purge: true
   when: ansible_os_family == "Debian"
 
-- name: Clean up any packages left in the 'rc' state (Ubuntu)
+- name: Clean up any packages left in the 'rc' state (Debina based repos)
   shell:
     cmd: /usr/bin/apt -y --purge remove $(dpkg -l | grep "^rc " | sed 's/ \+/ /g' | cut -d ' ' -f2)
   when: ansible_os_family == "Debian"
 
-- name: Upgraded packages (CentOS)
-  yum:
-    name: "*"
-    state: latest
-  when: ansible_distribution == "CentOS"
-
 - name: Upgraded packages (Alpine)
   apk:
     upgrade: yes