Remove unused disable-unbound.yaml

This file was added as part of OpenShift support[1]. However OpenShift
support was already removed and the file is no longer used since then.

[1] 4e30f51470

Change-Id: I01bbc6b204dcaab378a0bd18c10e152ddb18a3e5

ci/environments/disable-unbound.yaml

@@ -1,57 +0,0 @@
-heat_template_version: wallaby
-
-description: >
-  Disable Unbound Service
-
-parameters:
-  RoleNetIpMap:
-    default: {}
-    type: json
-  ServiceData:
-    default: {}
-    description: Dictionary packing service data
-    type: json
-  ServiceNetMap:
-    default: {}
-    description: Mapping of service_name -> network name. Typically set
-                 via parameter_defaults in the resource registry. Use
-                 parameter_merge_strategies to merge it with the defaults.
-    type: json
-  RoleName:
-    default: ''
-    description: Role name on which the service is applied
-    type: string
-  RoleParameters:
-    default: {}
-    description: Parameters specific to the role
-    type: json
-  EndpointMap:
-    default: {}
-    description: Mapping of service endpoint -> protocol. Typically set
-                 via parameter_defaults in the resource registry.
-    type: json
-  Debug:
-    type: boolean
-    default: false
-    description: Set to True to enable debugging on all services.
-
-resources:
-
-outputs:
-  role_data:
-    description: Role data for the multinode firewall configuration
-    value:
-      service_name: disable_unbound
-      host_prep_tasks:
-        - name: Disable unbound
-          service:
-            name: unbound
-            state: stopped
-            enabled: false
-          failed_when: false
-        - name: Set resolv.conf
-          copy:
-            content: "nameserver 1.1.1.1\nnameserver 1.0.0.1"
-            dest: /etc/resolv.conf
-            force: yes
-            mode: '0644'