CmHandle batch deletion

- Use plural deleteDataNodes to remove CmHandles in batches,
  falling back to individual delete on error
- Use single deleteDataNode instead of deleteListOrListElement for
  individual delete

Issue-ID: CPS-1464
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: If09f22478df8703290c8fc24aa6fe2a11c90788a
5 files changed