RFR: 8301443: Clean broken comments from Windows code [v2]

[Julian Waters]

> Several comments are technically broken in Windows code, this change cleans up the broken comments that managed to slip past reviewers during Integration

Julian Waters 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 four additional commits since the last revision:

 - Merge branch 'openjdk:master' into comments
 - Partial Revert
 - sspi.cpp
 - Comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/12305/files
  - new: https://git.openjdk.org/jdk/pull/12305/files/9c74387b..6b17f624

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12305&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12305&range=00-01

  Stats: 10119 lines in 311 files changed: 3838 ins; 2509 del; 3772 mod
  Patch: https://git.openjdk.org/jdk/pull/12305.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12305/head:pull/12305

PR: https://git.openjdk.org/jdk/pull/12305