RFR: 8343785: (fs) Remove syscalls that set file times with microsecond precision

[Brian Burkhalter]

Remove the syscalls `utimes`, `futimes`, and `lutimes` that set the file access and modification times using microsecond precision.

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Commit messages:
 - 8343785: (fs) Remove syscalls that set file times with microsecond precision

Changes: https://git.openjdk.org/jdk/pull/21989/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21989&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343785
  Stats: 424 lines in 7 files changed: 37 ins; 310 del; 77 mod
  Patch: https://git.openjdk.org/jdk/pull/21989.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21989/head:pull/21989

PR: https://git.openjdk.org/jdk/pull/21989