Integrated: 8329761: Remove unused KeyBuilder and unusedSets from StyleContext

[Alexey Ivanov]

On Fri, 5 Apr 2024 15:46:06 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

> Remove unused class `KeyBuilder` and unused field `unusedSets`.  
> Update a comment which used javadoc syntax.  
> Mark `KeyEnumeration` and `FontKey` classes as *`final`*.
> 
> All the client tests are green.

This pull request has now been integrated.

Changeset: a48289ac
Author:    Alexey Ivanov <aivanov at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/a48289ac30a6a9ddc9941676726d105b11689ab3
Stats:     156 lines in 1 file changed: 0 ins; 150 del; 6 mod

8329761: Remove unused KeyBuilder and unusedSets from StyleContext

Reviewed-by: serb, tr

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PR: https://git.openjdk.org/jdk/pull/18659