hg: jdk/jdk: 8202154: Remove unused code in java.base/windows/native/libnet

[ivan.gerasimov at oracle.com]

Changeset: 8bed781a8d9c
Author:    igerasim
Date:      2018-04-25 18:30 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/8bed781a8d9c

8202154: Remove unused code in java.base/windows/native/libnet
Reviewed-by: vtewari, clanger

! src/java.base/windows/classes/java/net/DualStackPlainDatagramSocketImpl.java
! src/java.base/windows/classes/sun/net/PortConfig.java
! src/java.base/windows/native/libnet/DualStackPlainDatagramSocketImpl.c
! src/java.base/windows/native/libnet/TwoStacksPlainDatagramSocketImpl.c
! src/java.base/windows/native/libnet/net_util_md.c
! src/java.base/windows/native/libnet/net_util_md.h
- src/java.base/windows/native/libnet/portconfig.c