Chore: Revert changes 128583 and 127823

Images introduced in these changes break Vexxhost stability
as per they are qcow2 type and they require a volume convertion
that takes long time and block instances from getting into
ACTIVE state. Rolling back to RAW type images.

Issue-ID: CIMAN-33
Signed-off-by: Kevin Sandi <ksandi@contractor.linuxfoundation.org>
Change-Id: I646d204d62165cfadb80354337534871c119b41f
diff --git a/jenkins-config/clouds/openstack/cattle/centos7-redis-4c-4g.cfg b/jenkins-config/clouds/openstack/cattle/centos7-redis-4c-4g.cfg
index deb6a44..f72d6cc 100644
--- a/jenkins-config/clouds/openstack/cattle/centos7-redis-4c-4g.cfg
+++ b/jenkins-config/clouds/openstack/cattle/centos7-redis-4c-4g.cfg
@@ -1,3 +1,3 @@
-IMAGE_NAME=CentOS 7 - redis -  - 150380303-3006
+IMAGE_NAME=CentOS 7 - redis -  - 50880808-8011
 LABELS=centos7-redis-4c-4g
 HARDWARE_ID=v3-standard-4
diff --git a/jenkins-config/clouds/openstack/cattle/ubuntu1804-helm-2c-1g.cfg b/jenkins-config/clouds/openstack/cattle/ubuntu1804-helm-2c-1g.cfg
index 829f8d1..26892ac 100644
--- a/jenkins-config/clouds/openstack/cattle/ubuntu1804-helm-2c-1g.cfg
+++ b/jenkins-config/clouds/openstack/cattle/ubuntu1804-helm-2c-1g.cfg
@@ -1,4 +1,4 @@
-IMAGE_NAME=ZZCI - Ubuntu 18.04 - helm -  - 20220412-140603.676
+IMAGE_NAME=ZZCI - Ubuntu 18.04 - helm -  - 20210318-054700.866
 LABELS=ubuntu1804-helm-2c-1g
 HARDWARE_ID=v3-standard-2
 VOLUME_SIZE=50