git: openjdk/jfx-sandbox: glass_gtk_bug_squashing: Remove CenterOnScreen while fullscreen / maximized (impossible to center)

[duke]

Changeset: 298900ea
Branch: glass_gtk_bug_squashing
Author:    Thiago Milczarek Sayao <thiago.sayao at gmail.com>
Date:      2025-04-18 14:36:25 +0000
URL:       https://git.openjdk.org/jfx-sandbox/commit/298900ea645b3636bfb150c8e1f8d0b1defa4032

Remove CenterOnScreen while fullscreen / maximized (impossible to center)

! tests/system/src/test/java/test/javafx/stage/CenterOnScreenTest.java