Fix result removal for DELETION requests

[realshuting]

Signed-off-by: Shuting Zhao shutting06@gmail.com

Related issue

The violation was not removed from the report when the resource was deleted. See ref #1780 (comment).

What type of PR is this

/bug

Proposed Changes

Proof Manifests

Checklist

• I have read the contributing guidelines.
• [] I have added tests that prove my fix is effective or that my feature works.
• [] My PR contains new or altered behavior to Kyverno and
  • [] I have added or changed the documentation myself in an existing PR and the link is:
  • [] I have raised an issue in kyverno/website to track the doc update and the link is:
  • [] I have read the PR documentation guide and followed the process including adding proof manifests to this PR.

Further Comments