RFR: 8281035: Serial: Move RemoveForwardedPointerClosure to local scope [v2]

Tue Feb 1 15:59:49 UTC 2022

> Simple change of moving `RemoveForwardedPointerClosure` from shared code to Serial code.
> 
> Test: hotspot_gc

Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:

  review

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7301/files
  - new: https://git.openjdk.java.net/jdk/pull/7301/files/9297a6fc..4cc8c5f0

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7301&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7301&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7301.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7301/head:pull/7301

PR: https://git.openjdk.java.net/jdk/pull/7301