RFR: 6453901: (cal) clean up sun.util.calendar classes

Fri Mar 3 18:07:21 UTC 2023

On Wed, 1 Mar 2023 21:58:15 GMT, Justin Lu <jlu at openjdk.org> wrote:

> This PR includes cleanup changes to the sun.util.calendar package only.
> 
> The changes include removing unused methods, imports, adjusting incorrect links, and using newer syntax patterns. Since there are no plans to promote any of these classes to java.calendar, these unused methods can be removed.
> 
> 
> Mach5: https://mach5.us.oracle.com/mdash/jobs/jclu-jdk2-20230228-2223-42671403

Marked as reviewed by lancea (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/12817