RFR: 8366660: Sort share/nmt includes

[Aleksey Shipilev]

On Tue, 2 Sep 2025 08:55:30 GMT, Francesco Andreuzzi <duke at openjdk.org> wrote:

> Sort include statements in `hotspot/share/nmt` using `SortIncludes.java`. I'm also removing a couple unnecessary includes.
> 
> Passes `tier1`.

Looks fine, thanks.

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27042#pullrequestreview-3176429644