RFR: 8326111: JFR: Cleanup for JFR_ONLY [v2]

[Erik Gahlin]

On Sun, 18 Feb 2024 08:10:16 GMT, Denghui Dong <ddong at openjdk.org> wrote:

>> Greetings,
>> 
>> Could I have a review of this trivial change that cleans up code where used JFR_ONLY incorrectly?
>> 
>> testing: build with --enable-jvm-feature-jfr and --disable-jvm-feature-jfr
>> 
>> Denghui
>
> Denghui Dong has updated the pull request incrementally with one additional commit since the last revision:
> 
>   more cleanup

Marked as reviewed by egahlin (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17903#pullrequestreview-1888292545