hg: jdk/sandbox: 8204663: clean up remaining native parts after JDK-8187631

[chris.hegarty at oracle.com]

Changeset: 75a03a4cfbca
Author:    stuefe
Date:      2018-06-13 20:11 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/75a03a4cfbca

8204663: clean up remaining native parts after JDK-8187631
Reviewed-by: rriggs, psandoz

! src/java.base/unix/native/libjava/FileOutputStream_md.c
! src/java.base/unix/native/libjava/io_util_md.c
! src/java.base/unix/native/libjava/io_util_md.h
! src/java.base/windows/native/libjava/FileOutputStream_md.c
! src/java.base/windows/native/libjava/io_util_md.c
! src/java.base/windows/native/libjava/io_util_md.h