remove unnecessary steps (#8374)

Signed-off-by: ShutingZhao <shuting@nirmata.com>

test/conformance/kuttl/validate/clusterpolicy/standard/enforce/ns-selector-with-wildcard-kind/04-clusterrole.yaml

@@ -1,13 +0,0 @@
-apiVersion: rbac.authorization.k8s.io/v1
-kind: ClusterRole
-metadata:
-  name: pod-reader-fake
-rules:
-- apiGroups:
-  - ""
-  resources:
-  - pods
-  verbs:
-  - get
-  - list
-  - watch

test/conformance/kuttl/validate/clusterpolicy/standard/enforce/ns-selector-with-wildcard-kind/05-delete-ns.yaml

@@ -1,7 +0,0 @@
-# Specifying the kind as `TestStep` performs certain behaviors like this delete operation.
-apiVersion: kuttl.dev/v1beta1
-kind: TestStep
-delete:
-- apiVersion: v1
-  kind: Namespace
-  name: test-wildcard

test/conformance/kuttl/validate/clusterpolicy/standard/enforce/ns-selector-with-wildcard-kind/06-delete-clulsterrole.yaml

@@ -1,7 +0,0 @@
-# Specifying the kind as `TestStep` performs certain behaviors like this delete operation.
-apiVersion: kuttl.dev/v1beta1
-kind: TestStep
-delete:
-- apiVersion: rbac.authorization.k8s.io/v1
-  kind: ClusterRole
-  name: pod-reader-fake