RFR: 8351082: Remove dead code for estimating CDS archive size

[Calvin Cheung]

On Mon, 3 Mar 2025 21:25:59 GMT, Ioi Lam <iklam at openjdk.org> wrote:

> Please review this trivial changeset that removes dead code that are no longer called after [JDK-8340416](https://bugs.openjdk.org/browse/JDK-8340416) "Remove ArchiveBuilder::estimate_archive_size()"

Looks good and I think this is a trivial fix.

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Marked as reviewed by ccheung (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23874#pullrequestreview-2655403597