CI fix broken references to multinode-core.yaml

This isn't needed for the single-node upgrade test, but it is
required for the 3-nodes job (which won't work because the referenced
file doesn't currently exist).

Change-Id: I78bd5c804284219a71b13dba21fd1188ca854fca

ci/environments/multinode-core.yaml

@@ -0,0 +1,37 @@
+heat_template_version: ocata
+
+description: >
+  OpenStack Core Service
+
+parameters:
+  ServiceNetMap:
+    default: {}
+    description: Mapping of service_name -> network name. Typically set
+                 via parameter_defaults in the resource registry.  This
+                 mapping overrides those in ServiceNetMapDefaults.
+    type: json
+  DefaultPasswords:
+    default: {}
+    type: json
+  EndpointMap:
+    default: {}
+    description: Mapping of service endpoint -> protocol. Typically set
+                 via parameter_defaults in the resource registry.
+    type: json
+  Debug:
+    type: string
+    default: ''
+
+resources:
+
+outputs:
+  role_data:
+    description: Role data for the multinode firewall configuration
+    value:
+      service_name: multinode_core
+      config_settings:
+          tripleo.core.firewall_rules:
+            '999 core':
+              proto: 'udp'
+              dport:
+                - 4789

ci/environments/multinode_major_upgrade.yaml

@@ -1,12 +1,10 @@
 resource_registry:
   OS::TripleO::Controller::Net::SoftwareConfig: ../common/net-config-multinode.yaml
   OS::TripleO::Compute::Net::SoftwareConfig: ../common/net-config-multinode.yaml
-  OS::TripleO::Services::Core: multinode-core.yaml
 
 parameter_defaults:
   ControllerServices:
     - OS::TripleO::Services::CACerts
-    - OS::TripleO::Services::Core
     - OS::TripleO::Services::Kernel
     - OS::TripleO::Services::Keystone
     - OS::TripleO::Services::GlanceApi