docs: delete old k8 operator doc per Product changes coming up (#358)

Author: quetzalliwrites

astro.config.mjs

@@ -438,10 +438,6 @@ export default defineConfig({
                   label: 'Single Sign-On',
                   autogenerate: { directory: '/aws/enterprise/sso' },
                 },
-                {
-                  label: 'Kubernetes Operator',
-                  slug: 'aws/enterprise/k8s-operator',
-                },
                 {
                   label: 'Kubernetes Executor',
                   slug: 'aws/enterprise/kubernetes-executor',