[jdk17u] Integrated: 8225082: Remove IdenTrust certificate that is expiring in September 2021

[Rajan Halade]

This is a clean backport to JDK 17u

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Commit messages:
 - Backport 2ec45dc2dd3a6bcb4f68ee7cde5858d63614305a

Changes: https://git.openjdk.java.net/jdk17u/pull/7/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=7&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8225082
  Stats: 34 lines in 2 files changed: 0 ins; 31 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/7.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/7/head:pull/7

PR: https://git.openjdk.java.net/jdk17u/pull/7