RFR: 8332610: Remove unused nWakeups ObjectMonitor [v3]

[Johan Sjölen]

> Hi,
> 
> This comment only serves to confuse people, as `nWakeups` is not shared between threads and never read. It is probably meant for debugging (not sure). Let's delete the comment.

Johan Sjölen has updated the pull request incrementally with one additional commit since the last revision:

  Delete the second nWakeups

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19326/files
  - new: https://git.openjdk.org/jdk/pull/19326/files/0727fbee..f0de0bf1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19326&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19326&range=01-02

  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/19326.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19326/head:pull/19326

PR: https://git.openjdk.org/jdk/pull/19326