Remove ipa-client install task from undercloud-tls playbook

The ipaclient role from ansible-freeipa ensures the dependencies it
needs are installed. We shouldn't need to add duplication here.

Change-Id: I730c456a8a2ede3a8f35f5c808bf5924809ec82f

deployment/tls/undercloud-tls.yaml

@@ -55,10 +55,6 @@ outputs:
           package:
             name: openssl-perl
             state: present
-        - name: Ensure FreeIPA Client package is present
-          package:
-            name: ipa-client
-            state: present
         - name: Create tripleo-admin user and group
           include_role:
             name: tripleo_create_admin