RFR: 8319374: JFR: Remove instrumentation for exception events

[Erik Gahlin]

Could I have a review of a PR that removes the bytecode instrumentation for the exception events.

Testing: jdk/jdk/jfr + tier1 + tier2

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Commit messages:
 - Remove Throwable and Error from instrumentation list
 - Initial

Changes: https://git.openjdk.org/jdk/pull/16493/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16493&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8319374
  Stats: 560 lines in 19 files changed: 268 ins; 281 del; 11 mod
  Patch: https://git.openjdk.org/jdk/pull/16493.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16493/head:pull/16493

PR: https://git.openjdk.org/jdk/pull/16493