[jdk20] RFR: 8290919: Update nroff pages in JDK 20 before RC

[David Holmes]

There was one missing update in javac.1 from:

[JDK-8245246](https://bugs.openjdk.org/browse/JDK-8245246): Deprecate -profile option in javac

otherwise the change is limited to dropping the "-ea".

Thanks.

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Commit messages:
 - Merge branch 'master' into 8290919-manpages
 - 8290919: Update nroff pages in JDK 20 before RC

Changes: https://git.openjdk.org/jdk20/pull/112/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=112&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8290919
  Stats: 29 lines in 28 files changed: 1 ins; 0 del; 28 mod
  Patch: https://git.openjdk.org/jdk20/pull/112.diff
  Fetch: git fetch https://git.openjdk.org/jdk20 pull/112/head:pull/112

PR: https://git.openjdk.org/jdk20/pull/112