Remove extra linting job

Now that the main linting job runs helm v3, this extra job is
no longer needed. This change removes the specific helm v3
linter job.

Change-Id: I40d6be368a4f36242c54b9a57b7e6f7328be8bb6

zuul.d/jobs-openstack-helm.yaml

@@ -29,16 +29,6 @@
       - ^.*\.py$
     nodeset: openstack-helm-single-node
 
-- job:
-    name: openstack-helm-helm3-lint
-    nodeset: ubuntu-focal
-    run: tools/gate/playbooks/helm3-linter.yaml
-    required-projects:
-      - openstack/openstack-helm-infra
-    irrelevant-files:
-      - ^.*\.rst$
-      - ^doc/.*$
-
 - job:
     name: openstack-helm-chart-deploy
     parent: openstack-helm-infra-functional

zuul.d/project.yaml

@@ -22,7 +22,6 @@
     check:
       jobs:
         - openstack-helm-lint
-        - openstack-helm-helm3-lint
         - openstack-helm-bandit
         - openstack-helm-cinder-train-ubuntu_bionic
         - openstack-helm-cinder-ussuri-ubuntu_bionic