RFR: 8225083: Remove Google certificate that is expiring in December 2021

[Rajan Halade]

Removed the expiring root certificate.

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Commit messages:
 - 8225083: Remove Google certificate that is expiring in December 2021

Changes: https://git.openjdk.java.net/jdk/pull/5137/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5137&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8225083
  Stats: 34 lines in 2 files changed: 0 ins; 31 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5137.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5137/head:pull/5137

PR: https://git.openjdk.java.net/jdk/pull/5137