RFR: 8306858: Remove some remnants of CMS from SA agent [v2]

[Thomas Schatzl]

> Hi all,
> 
>   please review this change that removes some remaining CMS related stuff.
> 
> Testing: tier1-3, gha
> 
> Thanks,
>   Thomas

Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:

  cplummer review

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/13646/files
  - new: https://git.openjdk.org/jdk/pull/13646/files/42d4cafa..79f9a814

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13646&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13646&range=00-01

  Stats: 3 lines in 3 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/13646.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13646/head:pull/13646

PR: https://git.openjdk.org/jdk/pull/13646