RFR: 8295026: Remove unused fields in StyleSheet

[Alexey Ivanov]

On Sat, 1 Oct 2022 17:05:11 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> There are 3 unused fields in single `StyleSheet` file:
> 1. `static final Border noBorder = new EmptyBorder(0,0,0,0);`
> 2. `static final int DEFAULT_FONT_SIZE = 3;`
> 3. `URL imageurl;` in nested `javax.swing.text.html.StyleSheet.ListPainter` class

Looks good to me.

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Marked as reviewed by aivanov (Reviewer).

PR: https://git.openjdk.org/jdk/pull/10523