RFR: 8348180: Remove mention of include of precompiled.hpp from the HotSpot Style Guide [v2]

[David Holmes]

On Wed, 22 Jan 2025 09:34:18 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> [JDK-8347909](https://bugs.openjdk.org/browse/JDK-8347909) removed the need for HotSpot devs to include the precompiled.hpp. This is the PR to reflect that.
>> 
>> I know that there is some process around updating the style guide, but I can't find it, so I'm starting with a plain PR.
>
> Stefan Karlsson has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Update hotspot-style.md
>  - Update hotspot-style.html

This update looks good to me.

Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23210#pullrequestreview-2568295889