RFR: 8373231: ECDSAOperations::toAffinePoint is redundant [v3]

[John Jiang]

> `ECDSAOperations::toAffinePoint` should be removed, and `AffinePoint::fromECPoint` should be used instead.

John Jiang has refreshed the contents of this pull request, and previous commits have been removed. Incremental views are not available. The pull request now contains one commit:

  8373231: ECDSAOperations::toAffinePoint is redundant

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28691/files
  - new: https://git.openjdk.org/jdk/pull/28691/files/1837abec..a1cebba7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28691&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28691&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/28691.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28691/head:pull/28691

PR: https://git.openjdk.org/jdk/pull/28691