RFR: 8372755: Remove local suppression of VS C4146 warnings

[Kim Barrett]

On Tue, 2 Dec 2025 12:05:56 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Please review this trivial change to remove unnecessary local Visual Studio
>> warning suppressions for C4146 in HotSpot code.  JDK-8254072 intentionally
>> globally suppressed that warning when building HotSpot, so local suppression
>> is no longer needed.
>> 
>> Testing: mach5 tier1
>
> Trivial.

Thanks for reviewing @albertnetymk .

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PR Comment: https://git.openjdk.org/jdk/pull/28564#issuecomment-3602193658