RFR: 8352510: Don't reset LCMS_CFLAGS

[Alexander Zvegintsev]

On Thu, 20 Mar 2025 13:15:01 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> In [JDK-8329086](https://bugs.openjdk.org/browse/JDK-8329086), when cleaning up the native build for java.desktop, what was likely a bug with LCMS_CFLAGS was found. See the discussion at https://github.com/openjdk/jdk/pull/18486#discussion_r1539179250.
> 
> The old behavior was kept to not introduce any changes in that refactoring PR, but now the time has come to clean this up.

The [discussion](https://github.com/openjdk/jdk/pull/18486#discussion_r1539179250) mentions another [JBS issue](https://bugs.openjdk.org/browse/JDK-8329173), which I believe should be closed as duplicate of the 8352510.

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Marked as reviewed by azvegint (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24131#pullrequestreview-2704166553