Revert `stdin.encoding` changes to `test/hotspot/.../attach010Agent00.java` introduced in [JDK-8357993](https://bugs.openjdk.org/browse/JDK-8357993) – @plummercj [reported](https://github.com/openjdk/jdk/pull/25542#issuecomment-2950447745) that they are unnecessary.
Note that I've reset the copyright year back to 2018. ------------- Commit messages: - Revert `stdin.encoding` changes to `test/hotspot/.../attach010Agent00.java` Changes: https://git.openjdk.org/jdk/pull/25753/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25753&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8359168 Stats: 3 lines in 1 file changed: 0 ins; 1 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/25753.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/25753/head:pull/25753 PR: https://git.openjdk.org/jdk/pull/25753
