RFR: 8295320: [BACKOUT] 8276687 Remove support for JDK 1.4.1 PerfData shared memory files

[Ioi Lam]

This PR reverts JDK-8276687, which has caused tier1 test failures.

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Commit messages:
 - 8295320: [BACKOUT] 8276687 Remove support for JDK 1.4.1 PerfData shared memory files

Changes: https://git.openjdk.org/jdk/pull/10711/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10711&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8295320
  Stats: 80 lines in 3 files changed: 73 ins; 1 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/10711.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10711/head:pull/10711

PR: https://git.openjdk.org/jdk/pull/10711