RFR: 8313507: Remove pkcs11/Cipher/TestKATForGCM.java from ProblemList

[Daniel Jeliński]

The issue linked to ProblemList entry was closed as duplicate of [JDK-8307185](https://bugs.openjdk.org/browse/JDK-8307185), which was fixed. The ProblemList entry should be removed.

No failures in 30 test runs. Output of `-Xcheck:jni` clean.

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Commit messages:
 - Remove test from problemlist

Changes: https://git.openjdk.org/jdk/pull/15099/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15099&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313507
  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/15099.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15099/head:pull/15099

PR: https://git.openjdk.org/jdk/pull/15099