IsGolangLegacyLayout returns true if c's does not have the plugins configuration.

RemoveKustomizeCRDManifests removes items in config/crd relating to CRD conversion webhooks.

UpdateIfLegacyKey returns true if c's "plugins" map or "layout" value contains a legacy key that may require this plugin be executed, even if the "manifests" key isn't in "plugins".

UpdateKustomizationsCreateAPI updates certain parts of or removes entire kustomization.yaml files that are either not used by certain CreateAPI plugins or are created by preceding CreateAPI plugins.

UpdateKustomizationsInit updates certain parts of or removes entire kustomization.yaml files that are either not used by certain Init plugins or are created by preceding Init plugins.