RFR: 8300267: Remove duplicated setter/getter for do_not_unlock [v2]

[Robbin Ehn]

> Hi please consider.
> 
> Testing t1 + zero build

Robbin Ehn has updated the pull request incrementally with one additional commit since the last revision:

  Fixed cr year

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/12044/files
  - new: https://git.openjdk.org/jdk/pull/12044/files/8ac52b2b..4da339f7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12044&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12044&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/12044.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12044/head:pull/12044

PR: https://git.openjdk.org/jdk/pull/12044