RFR: 8294035: Remove null ids checking from keytool -gencrl

[Hai-May Chao]

https://bugs.openjdk.org/browse/JDK-8294035

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Commit messages:
 - 8294035: Remove null ids checking from keytool -gencrl

Changes: https://git.openjdk.org/jdk/pull/26972/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26972&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294035
  Stats: 3 lines in 1 file changed: 0 ins; 3 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/26972.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26972/head:pull/26972

PR: https://git.openjdk.org/jdk/pull/26972