fix/docs-remove-validate-wrapper

[kushal9897]

Explanation

This PR fixes a documentation error in the Kyverno JSON docs. In the detailed example within kyverno-json/docs/policies/asserts.md, the assert: block is incorrectly nested under a validate: key. This extra nesting leads to parsing errors when users try to apply the example policy. By removing the extra validate: wrapper so that assert: is directly under the rule the example now correctly demonstrates how to use assertion trees. This change is a documentation fix only and does not affect any actual policy behavior.

Related issue

#342

Milestone of this PR

What type of PR is this

/kind documentation

Proposed Changes

Proof Manifests

Checklist

• [*] I have read the contributing guidelines.
• [*] I have read the PR documentation guide and followed the process including adding proof manifests to this PR.
• This is a bug fix and I have added unit tests that prove my fix is effective.
• This is a feature and I have added CLI tests that are applicable.
• My PR needs to be cherry picked to a specific release branch which is .

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