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

README.md

@@ -4,5 +4,3 @@
 
 This role will install ansible on the target host.
 
-This role should work on both Ubuntu and CentOS based hosts.
-

tasks/main.yml

@@ -16,18 +16,10 @@
     state: latest
   when: ansible_os_family == "Debian"
 
-- name: Confirm python-pip3 installed (CentOS)
-  yum:
-    name:
-      - python3-pip
-    state: latest
-  when: ansible_distribution == "CentOS"
-
 ############################################################
 # using the pip3 command rather than the pip ansible module
 # because ansible can get in a weird state depending on the
-# python version used on the target host (python 2 on CentOS 7
-# vs python 3 otherwise)
+# python version used on the target host
 
 - debug: msg="Installing ansible via pip"