RFR: 8070: Move to JDK 17 leftovers

[Brice Dutheil]

On Wed, 17 May 2023 15:59:46 GMT, Alex Macdonald <aptmac at openjdk.org> wrote:

> I wasn't sure if the vendor should be generic, and if you had intended on using your own jdkHome path in the [jdk17 example](https://github.com/openjdk/jmc/blob/master/README.md?plain=1#L288) (I had thought of something like `/path/to/jdk/17` like the Apache toolchain documentation). Also if the jdk11 toolchain could be removed to place emphasis on the jdk17 toolchain for those who may be new to this file.

I can change to something more generic ; I did that way in the dev guide to be a concrete example that matches what the screenshots have.

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PR Comment: https://git.openjdk.org/jmc/pull/483#issuecomment-1551671094