git: openjdk/jdk: 8253275: Remove unused methods after CMS removal

[Aleksey Shipilev]

Changeset: a9993f94
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2020-09-17 10:01:34 +0000
URL:       https://git.openjdk.java.net/jdk/commit/a9993f94

8253275: Remove unused methods after CMS removal

Reviewed-by: pliden, tschatzl

! src/hotspot/share/gc/serial/defNewGeneration.cpp
! src/hotspot/share/gc/shared/generation.hpp
! src/hotspot/share/oops/oop.hpp