RFR: 8342679: Clean up PreviewFeature.Feature [v2]

[Chen Liang]

On Mon, 21 Oct 2024 14:22:39 GMT, Aggelos Biboudis <abimpoudis at openjdk.org> wrote:

>> After doing a build + bootcycle build confirms that these constants can be removed.
>
> Aggelos Biboudis has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains two new commits since the last revision:
> 
>  - Update comment
>  - 8342679: Clean up PreviewFeature.Feature

src/java.base/share/classes/jdk/internal/javac/PreviewFeature.java line 70:

> 68:         // keeping the constant of a feature that has been integrated or dropped, serves the purpose of muting such warnings.
> 69: 
> 70:         ////

Suggestion:

        //---

Don't accidentally write markdown javadoc.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21605#discussion_r1808928576