RFR: 8344310: Remove Security Manager dependencies from javax.crypto and com.sun.crypto packages

[Sean Mullan]

Now that JEP 486 is integrated, javax.crypto and com.sun.crypto implementation dependencies on System.getSecurityManager and AccessController.doPrivileged can be removed.

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Commit messages:
 - Initial cleanup.

Changes: https://git.openjdk.org/jdk/pull/22164/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22164&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8344310
  Stats: 100 lines in 7 files changed: 0 ins; 71 del; 29 mod
  Patch: https://git.openjdk.org/jdk/pull/22164.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22164/head:pull/22164

PR: https://git.openjdk.org/jdk/pull/22164