engine: Use multi-worker heat template in CI

Also remove obsolete HEAT_ENVIRONMENT_FILE parameter and env
variable since heat env file is not provided as PDF using -p.

Change-Id: I3086426937b3b44ee36f7b2b6ba7a2732e298e02
diff --git a/jjb/cloud-infra/kubernetes-jobs/kubernetes-verify-deploy-test.yaml b/jjb/cloud-infra/kubernetes-jobs/kubernetes-verify-deploy-test.yaml
index cab7e12..42e3e3e 100644
--- a/jjb/cloud-infra/kubernetes-jobs/kubernetes-verify-deploy-test.yaml
+++ b/jjb/cloud-infra/kubernetes-jobs/kubernetes-verify-deploy-test.yaml
@@ -70,7 +70,7 @@
           provisioner-type: 'heat'
           slave-type: 'jumphost'
           gated-projects: 'infra/stack/kubernetes|infra/installer/kubespray'
-          pdf: "https://gerrit.nordix.org/gitweb?p=infra/provisioner/heat.git;a=blob_plain;f=playbooks/roles/create-stack/files/heat-environment-city-ubuntu1804.yaml"
+          pdf: "https://gerrit.nordix.org/gitweb?p=infra/provisioner/heat.git;a=blob_plain;f=playbooks/roles/create-stack/files/heat-environment-ci-city-ubuntu1804.yaml"
           idf: "https://gerrit.nordix.org/gitweb?p=infra/provisioner/heat.git;a=blob_plain;f=playbooks/roles/create-stack/files/heat-idf.yaml"
 
     distro:
@@ -126,10 +126,6 @@
           default: '{idf}'
           description: 'IDF file to use for deployment'
       - string:
-          name: HEAT_ENVIRONMENT_FILENAME
-          default: 'heat-environment-{cloud}-{distro}.yaml'
-          description: 'Name of heat-environment file to use.'
-      - string:
           name: HEAT_STACK_NAME
           default: "nordix-cicd-verify-kubernetes-{environment-type}-{distro}-$GERRIT_CHANGE_NUMBER"
           description: 'Name of the created stack'