RFR: 8332676: Remove unused BarrierSetAssembler::incr_allocated_bytes [v2]

[Albert Mingkun Yang]

> Trivial removing dead code.

Albert Mingkun Yang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - review
 - Merge branch 'master' into basm-trivial
 - basm-trivial

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/19345/files
  - new: https://git.openjdk.org/jdk/pull/19345/files/fb060cda..970ea0f9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19345&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19345&range=00-01

  Stats: 14 lines in 5 files changed: 8 ins; 2 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/19345.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19345/head:pull/19345

PR: https://git.openjdk.org/jdk/pull/19345