Fix build blockers due to introduction of centos support

Change-Id: I627d4bcabbb4a5e65e0f6ae10d4804b969f8c99a
diff --git a/jjb/cloud-infra/cloud-infra-verify-scenario.yaml b/jjb/cloud-infra/cloud-infra-verify-scenario.yaml
index 5b300a5..e6bd0eb 100644
--- a/jjb/cloud-infra/cloud-infra-verify-scenario.yaml
+++ b/jjb/cloud-infra/cloud-infra-verify-scenario.yaml
@@ -121,11 +121,10 @@
       - build-blocker:
           use-build-blocker: true
           blocking-jobs:
-            - 'cloud-infra-verify-engine-{distro}-.*'
-            - 'cloud-infra-verify-scenario-{distro}-.*'
-            - 'cloud-infra-periodic-engine-{distro}-.*'
-            - 'cloud-infra-os-.*'
-            - 'cloud-infra-k8-.*'
+            - 'cloud-infra-verify-engine-.*'
+            - 'cloud-infra-verify-scenario-.*'
+            - 'cloud-infra-periodic-engine-.*'
+            - '8-.*'
           block-level: 'NODE'
       - throttle:
           max-per-node: 1