RFR: 8344924: Default CA certificates loaded despite request to use custom keystore

[Kevin Driver]

A regression was introduced by [JDK-8338383](https://bugs.openjdk.org/browse/JDK-8338383). Remove the forced static eager initialization.

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Commit messages:
 - trailing whitespace
 - JDK-8344924: revert change from 8338383

Changes: https://git.openjdk.org/jdk/pull/22616/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22616&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8344924
  Stats: 10 lines in 1 file changed: 0 ins; 10 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/22616.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22616/head:pull/22616

PR: https://git.openjdk.org/jdk/pull/22616