[jdk21u-dev] RFR: 8364556: JFR: Disable SymbolTableStatistics and StringTableStatistics in default.jfc

[Goetz Lindenmaier]

I backport this for parity with 21.0.10-oracle

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Commit messages:
 - Backport 7698c373a684235812c9dc11edd751059f9e8e81

Changes: https://git.openjdk.org/jdk21u-dev/pull/2339/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2339&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8364556
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2339.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2339/head:pull/2339

PR: https://git.openjdk.org/jdk21u-dev/pull/2339