Remove retired project Senlin job

Senlin project has been retired[1] so removing
its ref and job from sdk gate otherwise it will fail.

[1] https://review.opendev.org/c/openstack/governance/+/919347

Change-Id: I7e25e30b95ebb8df7984a706ece432813554a395

zuul.d/functional-jobs.yaml

@@ -257,25 +257,6 @@
         OPENSTACKSDK_HAS_SWIFT: 0
         OPENSTACKSDK_HAS_MAGNUM: 1
 
-- job:
-    name: openstacksdk-functional-devstack-senlin
-    parent: openstacksdk-functional-devstack
-    description: |
-      Run openstacksdk functional tests against a master devstack with senlin
-    required-projects:
-      - openstack/senlin
-    vars:
-      devstack_plugins:
-        senlin: https://opendev.org/openstack/senlin
-      devstack_services:
-        s-account: false
-        s-container: false
-        s-object: false
-        s-proxy: false
-      tox_environment:
-        OPENSTACKSDK_HAS_SWIFT: 0
-        OPENSTACKSDK_HAS_SENLIN: 1
-
 - job:
     name: openstacksdk-functional-devstack-ironic
     parent: openstacksdk-functional-devstack-minimum

zuul.d/project.yaml

@@ -22,7 +22,6 @@
         - openstacksdk-functional-devstack
         - openstacksdk-functional-devstack-networking
         - openstacksdk-functional-devstack-networking-ext
-        - openstacksdk-functional-devstack-senlin
         - openstacksdk-functional-devstack-magnum:
             voting: false
         - openstacksdk-functional-devstack-manila:
@@ -45,4 +44,3 @@
         - openstacksdk-functional-devstack
         - openstacksdk-functional-devstack-networking
         - openstacksdk-functional-devstack-networking-ext
-        - openstacksdk-functional-devstack-senlin