RFR: 8303253: Remove unnecessary calls to super() in java.time value based classes

[Lance Andersen]

On Mon, 27 Feb 2023 15:50:02 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> To simplify future work changing some java.time value based classes to Valhalla value classes, the explicit calls to super() are removed from Duration, Instant, and ZoneOffset.

Marked as reviewed by lancea (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/12771