Integrated: Remove legacy section on mercurial

[Jesper Wilhelmsson]

On Fri, 14 Jun 2024 00:09:24 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

> Mercurial is no longer used in the OpenJDK project.

This pull request has now been integrated.

Changeset: dfc39a11
Author:    Jesper Wilhelmsson <jwilhelm at openjdk.org>
URL:       https://git.openjdk.org/guide/commit/dfc39a11b85ff7a4a65308d67237b3364e52b98c
Stats:     336 lines in 5 files changed: 19 ins; 313 del; 4 mod

Remove legacy section on mercurial

Reviewed-by: iris

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PR: https://git.openjdk.org/guide/pull/127