remove sandbox-sre-member namespace from staging (#7400)

As a part of the kubesaw decomissioning, the member clusters no longer
need the sandbox-sre-member namespace and the resources contained
within.  Remove it and any resources that reference the namespace from
the staging clusters.

Signed-off-by: Andy Sadler <[email protected]>

Author: sadlerap

components/sandbox/toolchain-member-operator/staging/kustomization.yaml

@@ -2,13 +2,25 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - ../base
-- sandbox-sre-member.yaml
-- ../../user-management/staging/generated-manifests/member
 patches:
   - path: patch_resources.yaml
   - patch: |
       $patch: delete
       apiVersion: rbac.authorization.k8s.io/v1
       kind: ClusterRole
       metadata:
-        name: appstudio-pipelines-runner
+        name: appstudio-pipelines-runner
+  - patch: |
+      $patch: delete
+      apiVersion: rbac.authorization.k8s.io/v1
+      kind: RoleBinding
+      metadata:
+        name: sandbox-sre-member-admins
+        namespace: sandbox-sre-member
+  - patch: |
+      $patch: delete
+      apiVersion: rbac.authorization.k8s.io/v1
+      kind: RoleBinding
+      metadata:
+        name: sandbox-sre-member-operator-admins
+        namespace: toolchain-member-operator