RFR: 8347287: JFR: Remove use of Security Manager [v2]

[Erik Gahlin]

> Could I have a review of PR that removes Java related code not needed when the Security Manager is disabled. 
> 
> Testing: tier1 + test/jdk/jdk/jfr
> 
> Thanks
> Erik

Erik Gahlin has updated the pull request incrementally with one additional commit since the last revision:

  Nit

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/22787/files
  - new: https://git.openjdk.org/jdk/pull/22787/files/d3cae681..edcbb62f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22787&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22787&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/22787.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22787/head:pull/22787

PR: https://git.openjdk.org/jdk/pull/22787