[jdk25u] RFR: 8359207: Remove runtime/signal/TestSigusr2.java since it is always skipped

[Shyam Kishor]

…ipped

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Commit messages:
 - 8359207: Remove runtime/signal/TestSigusr2.java since it is always skipped

Changes: https://git.openjdk.org/jdk25u/pull/87/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=87&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8359207
  Stats: 43 lines in 2 files changed: 0 ins; 41 del; 2 mod
  Patch: https://git.openjdk.org/jdk25u/pull/87.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/87/head:pull/87

PR: https://git.openjdk.org/jdk25u/pull/87