Description of problem:
Uninstall playbook set the wrong facts for 'is_containerized'


Version-Release number of selected component (if applicable):
openshift-ansible-3.0.82-1


How reproducible:
always

Steps to Reproduce:
1. uninstall containerized env 
vim hosts
<--snip-->
containerized=true
<--snip-->
$ ansible-playbook -i hosts openshift-ansible/playbooks/adhoc/uninstall.yml -v


Actual results:

TASK: [set_fact ] ************************************************************* 
ok: [openshift-x.lab.eng.nay.redhat.com] => {"ansible_facts": {"is_containerized": "False"}}
ok: [openshift-x.lab.eng.nay.redhat.com] => {"ansible_facts": {"is_containerized": "False"}}
ok: [openshift-x.lab.eng.nay.redhat.com] => {"ansible_facts": {"is_containerized": "False"}}



Expected results:
set the correct value

Additional info: