RFR: 8255530: Additional cleanup after JDK-8235710 (elliptic curve removal)

Wed Oct 28 18:47:47 UTC 2020

The fix for JDK-8235710 (Remove the legacy elliptic curves) unfortunately did
not remove all code related to elliptic curves in the build system.

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Commit messages:
 - 8255530: Additional cleanup after JDK-8235710 (elliptic curve removal)

Changes: https://git.openjdk.java.net/jdk/pull/911/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=911&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8255530
  Stats: 50 lines in 2 files changed: 0 ins; 50 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/911.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/911/head:pull/911

PR: https://git.openjdk.java.net/jdk/pull/911