RFR: 8184352: Remove Sun provider information from KeyPairGenerator javadoc [v4]

[Ben Perez]

> Removed algorithm-specific information from `KeyPairGenerator` class description and instead linked out to the Sun Provider documentation

Ben Perez has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright date

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Changes:
  - all: https://git.openjdk.org/jdk/pull/23280/files
  - new: https://git.openjdk.org/jdk/pull/23280/files/1961d205..b05988d2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23280&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23280&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23280.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23280/head:pull/23280

PR: https://git.openjdk.org/jdk/pull/23280