RFR: 8366978: dead code in SunCertPathBuilder

[Sean Mullan]

On Sat, 13 Sep 2025 05:02:46 GMT, Koushik Muthukrishnan Thirupattur <duke at openjdk.org> wrote:

> A DESCRIPTION OF THE PROBLEM :
> [JDK-7194452](https://bugs.openjdk.org/browse/JDK-7194452) left the SunCertPathBuilder.anchorIsTarget orphaned. Remove the deadcode.

Marked as reviewed by mullan (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27268#pullrequestreview-3224833041