fix: Move from IPA Client host whilelisting to blacklisting (#38)

NOTE: This is to preserve functionality of Item that depend on this one
(i.e. Default Stack Provisioning) while also complying with new
requirements of the EWCCLI, which expects Items to target `all` hosts as
its lacks functionality to create an in-memory inventory as per specific
needs of each Item.

Author: slothkong

playbooks/ipa-client-enroll-flavour/ipa-client-enroll-flavour.yml

@@ -34,7 +34,7 @@
         ipa_admin_password_fact: "{{ ipa_admin_password }}"
 
 - name: Install IPA client and enroll into an IPA server's LDAP/DNS services
-  hosts: ipa_client
+  hosts: all:!ipa_server
   become: true
   become_user: root
   become_method: ansible.builtin.sudo