[Integrated] RFR: 8240287: SelectedItemsReadOnlyObservableList cleanup: remove unused code.

[Ambarish Rapte]

Changeset: 337ed722
Author:    Ambarish Rapte <arapte at openjdk.org>
Date:      2020-03-05 03:38:39 +0000
URL:       https://git.openjdk.java.net/jfx/commit/337ed722

8237926: Potential memory leak of model data in javafx.scene.control.ListView

Reviewed-by: kcr, aghaisas

! modules/javafx.controls/src/main/java/com/sun/javafx/scene/control/SelectedItemsReadOnlyObservableList.java
! modules/javafx.controls/src/main/java/javafx/scene/control/ListView.java
! modules/javafx.controls/src/main/java/javafx/scene/control/TableView.java
! modules/javafx.controls/src/test/java/test/javafx/scene/control/ListViewTest.java