git: openjdk/jdk: 8285439: remove unused os::fsync

[Matthias Baesken]

Changeset: c5aa75dd
Author:    Matthias Baesken <mbaesken at openjdk.org>
Date:      2022-04-25 06:43:56 +0000
URL:       https://git.openjdk.java.net/jdk/commit/c5aa75dd8126c70c74fc2b541d82ef664a4b5ffd

8285439: remove unused os::fsync

Reviewed-by: hseigel, dholmes

! src/hotspot/os/posix/os_posix.cpp
! src/hotspot/os/windows/os_windows.cpp
! src/hotspot/share/runtime/os.hpp