RFR: 8328234: Remove unused nativeUtils files

[David Holmes]

On Fri, 15 Mar 2024 00:59:47 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> A couple of files
> open/test/hotspot/jtreg/vmTestbase/nsk/share/NativeUtils.java
> open/test/hotspot/jtreg/vmTestbase/nsk/share/native/native_utils.cpp
> 
> are not used and could removed.
> Tesed with tier1 and all vmtestbase tests. Also grepped all sources to find usages.

Looks good and trivial. AFAICS these were unused at the time they were added to the open test files.

Thanks.

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18318#pullrequestreview-1941956328