RFR: 8312147: Dynamic Exception Specification warnings are no longer required after JDK-8311380 [v2]

[Phil Race]

On Tue, 18 Jul 2023 01:43:43 GMT, Julian Waters <jwaters at openjdk.org> wrote:

>> After [JDK-8311380](https://bugs.openjdk.org/browse/JDK-8311380), the dynamic exception specification warning pragma can be removed
>
> Julian Waters has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Missed specifier in awt_Toolkit.h

I verified the build on our CI systems.

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Marked as reviewed by prr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/14899#pullrequestreview-1535854146