RFR: 8286515: JFR: Remove SimpleStringIdPool class

[Markus Grönlund]

On Tue, 10 May 2022 18:59:48 GMT, Erik Gahlin <egahlin at openjdk.org> wrote:

> Could I have review of a fix that removes an unnecessary indirection when using the string pool.
> 
> Testing: jdk/jdk/jfr
> 
> Thanks
> Erik

Looks good.

-------------

Marked as reviewed by mgronlun (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/8638