Fixed CCNP garbage collection
Fixed CCNP garbage collection

CCNPs are converted internally into CNPs, but metadata.name has been forgotten

Fixes #21393

Signed-off-by: Andrey Klimentyev <baaf16ee7dcf62eef0dc580f7c5f9fedcc64bb1e@flant.com>

cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium