[jdk11u-dev] RFR: 8295894: Remove SECOM certificate that is expiring in September 2023

[Goetz Lindenmaier]

I backport this for parity with 11.0.21-oracle.

I had to regenerate the hash in the test.

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Commit messages:
 - Backport b40b1ca1f6ab606387bb1a466810f0e23dead560

Changes: https://git.openjdk.org/jdk11u-dev/pull/2052/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2052&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8295894
  Stats: 33 lines in 2 files changed: 0 ins; 30 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2052.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2052/head:pull/2052

PR: https://git.openjdk.org/jdk11u-dev/pull/2052