[jdk17u] RFR: 8272859: Javadoc external links should only have feature version number in URL

[Sean Coffey]

Clean backport of JDK-8272859

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Commit messages:
 - Backport b94fd32f08bbb0012874eb918a4a1fe2d06eb943

Changes: https://git.openjdk.java.net/jdk17u/pull/306/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=306&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272859
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/306.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/306/head:pull/306

PR: https://git.openjdk.java.net/jdk17u/pull/306