RFR: 7386: Remove reference to Fedora in the readme

Tue Aug 17 21:41:24 UTC 2021

On Tue, 17 Aug 2021 18:25:53 GMT, Alex Macdonald <aptmac at openjdk.org> wrote:

> This PR addresses JMC-7386 [[0]](https://bugs.openjdk.java.net/browse/JMC-7386), in which the README should be updated to remove the reference to Red Hat packaging JMC for Fedora (as we don't do that anymore).
> 
> I've also added a bit of context for how JMC is available in RHEL 7 and RHEL 8.
> 
> [0] https://bugs.openjdk.java.net/browse/JMC-7386

Marked as reviewed by hirt (Lead).

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PR: https://git.openjdk.java.net/jmc/pull/304