CI: remove kubeval

* manifests are created with helm going forward
* kubeval validates yaml manifests for K8s
* kubeval does not appear to be helpful
* helm validation will be tackled by CMK-10023

Change-Id: I8ebbde9027aa9044f4caff780983cdbf691dd7f8

Makefile

@@ -170,17 +170,7 @@ lint-python/pylint: ## check style with Pylint
 	pylint --rcfile=.pylintrc src tests
 
 .PHONY: lint-yaml
-lint-yaml: lint-yaml/yamllint lint-yaml/kubeval-containerised ## check yaml style
-
-.PHONY: lint-yaml/kubeval
-lint-yaml/kubeval: ## check Kubernetes yaml with kubeval
-	kubeval --additional-schema-locations https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master deploy/kubernetes/*
-
-.PHONY: lint-yaml/kubeval-containerised
-lint-yaml/kubeval-containerised: ## check Kubernetes yaml with kubeval
-	./scripts/run-in-docker.sh \
-		-i garethr/kubeval:0.15.0 \
-		-c "kubeval --additional-schema-locations https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master deploy/kubernetes/*"
+lint-yaml: lint-yaml/yamllint ## check yaml style
 
 .PHONY: lint-yaml/yamllint
 lint-yaml/yamllint: ## check yaml formatting with yamllint

ci/jenkins/on-gerrit-commit.groovy

@@ -61,9 +61,6 @@ def do_it() {
     stage("lint yaml: yamllint") {
         run_target(COLLECTOR_IMAGE, "lint-yaml/yamllint", "--entrypoint=");
     }
-    stage("lint yaml: kubeval") {
-        run_target(COLLECTOR_IMAGE, "lint-yaml/kubeval", "--entrypoint=");
-    }
 }
 
 def run_target(image, target, docker_args) {