RFR: 8341097: GHA: Demote Mac x86 jobs to build only [v4]

[Kim Barrett]

On Mon, 6 Jan 2025 09:37:48 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> See the discussion in the bug. I think we can stop testing Mac x86 in GHA, leaving only the build jobs.
>> 
>> Additional testing:
>>  - [x] GHA passes
>
> Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:
> 
>  - Merge branch 'master' into JDK-8341097-gha-no-mac-intel
>  - Merge branch 'master' into JDK-8341097-gha-no-mac-intel
>  - Merge branch 'master' into JDK-8341097-gha-no-mac-intel
>  - Fix

Looks good.

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Marked as reviewed by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21257#pullrequestreview-2538478916