Revert "add gh action to validate book helm charts"

This reverts commit 1f2292f.

Makefile

@@ -89,16 +89,9 @@ generate-docs: ## Update/generate the docs
 	./hack/docs/generate.sh
 
 .PHONY: generate-charts
-generate-charts: build ## Re-generate the helm chart testdata and docs samples
+generate-charts: build ## Re-generate the helm chart testdata only
 	rm -rf testdata/project-v4-with-plugins/dist/chart
-	rm -rf docs/book/src/getting-started/testdata/project/dist/chart
-	rm -rf docs/book/src/cronjob-tutorial/testdata/project/dist/chart
-	rm -rf docs/book/src/multiversion-tutorial/testdata/project/dist/chart
-
 	(cd testdata/project-v4-with-plugins && ../../bin/kubebuilder edit --plugins=helm/v1-alpha)
-	(cd docs/book/src/getting-started/testdata/project && ../../../../../../bin/kubebuilder edit --plugins=helm/v1-alpha)
-	(cd docs/book/src/cronjob-tutorial/testdata/project && ../../../../../../bin/kubebuilder edit --plugins=helm/v1-alpha)
-	(cd docs/book/src/multiversion-tutorial/testdata/project && ../../../../../../bin/kubebuilder edit --plugins=helm/v1-alpha)
 
 .PHONY: check-docs
 check-docs: ## Run the script to ensure that the docs are updated

docs/book/src/cronjob-tutorial/testdata/project/PROJECT

@@ -5,8 +5,6 @@
 domain: tutorial.kubebuilder.io
 layout:
 - go.kubebuilder.io/v4
-plugins:
-  helm.kubebuilder.io/v1-alpha: {}
 projectName: project
 repo: tutorial.kubebuilder.io/project
 resources: