git: openjdk/jdk-sandbox: JDK-8305457-branch: Remove SimpleIO and its tests

[Pavel Rappo]

Changeset: a1187e12
Author:    Pavel Rappo <prappo at openjdk.org>
Date:      2024-04-19 13:20:23 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/a1187e12b2ebe5fd1eb22de49905a6642e33eede

Remove SimpleIO and its tests

- src/java.base/share/classes/java/io/SimpleIO.java
- test/jdk/java/io/SimpleIO/Input.java
- test/jdk/java/io/SimpleIO/Print.java
- test/jdk/java/io/SimpleIO/SimpleIO.java
- test/jdk/java/io/SimpleIO/script.exp