RFR: JDK-8299399: Remove metaprogramming/isArray.hpp [v2]

[Kim Barrett]

On Thu, 29 Dec 2022 02:57:19 GMT, Justin King <jcking at openjdk.org> wrote:

>> Code cleanup of pre-C++11 <type_traits> implementations.
>
> Justin King has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove related test
>   
>   Signed-off-by: Justin King <jcking at google.com>

Looks good.

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Marked as reviewed by kbarrett (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11797