git: openjdk/jdk: 8282506: Clean up remaining references to TwoStacksPlain*SocketImpl

[Daniel Jeliński]

Changeset: 4ffe96a8
Author:    Daniel Jeliński <djelinski at openjdk.org>
Date:      2022-04-06 06:43:18 +0000
URL:       https://git.openjdk.java.net/jdk/commit/4ffe96a857a1a478f1bf666704903da513b832cd

8282506: Clean up remaining references to TwoStacksPlain*SocketImpl

Reviewed-by: dfuchs

! test/jdk/java/net/DatagramSocket/UnreferencedDatagramSockets.java
! test/jdk/java/net/MulticastSocket/UnreferencedMulticastSockets.java
! test/jdk/java/net/ServerSocket/UnreferencedSockets.java