sample files couldn't be applied

[saqibzaib]

after applying operator and sample config files following errors occure:
error validating "logging.opstreelabs.in_elasticsearches.yaml": error validating data: [ValidationError(CustomResourceDefinition.spec): unknown field "additionalPrinterColumns" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "subresources" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "validation" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "version" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec]; if you choose to ignore these errors, turn validation off with --validate=false
error validating "logging.opstreelabs.in_fluentds.yaml": error validating data: [ValidationError(CustomResourceDefinition.spec): unknown field "additionalPrinterColumns" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "subresources" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "validation" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "version" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec]; if you choose to ignore these errors, turn validation off with --validate=false
error validating "logging.opstreelabs.in_indexlifecycles.yaml": error validating data: [ValidationError(CustomResourceDefinition.spec): unknown field "additionalPrinterColumns" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "subresources" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "validation" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "version" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec]; if you choose to ignore these errors, turn validation off with --validate=false
error validating "logging.opstreelabs.in_indextemplates.yaml": error validating data: [ValidationError(CustomResourceDefinition.spec): unknown field "additionalPrinterColumns" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "subresources" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "validation" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "version" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec]; if you choose to ignore these errors, turn validation off with --validate=false
error validating "logging.opstreelabs.in_kibanas.yaml": error validating data: [ValidationError(CustomResourceDefinition.spec): unknown field "additionalPrinterColumns" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "subresources" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "validation" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec, ValidationError(CustomResourceDefinition.spec): unknown field "version" in io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceDefinitionSpec]; if you choose to ignore these errors, turn validation off with --validate=false

[iamabhishek-dubey]

Fixed in #20