RFR: 8255863: Clean up test/jdk/java/lang/invoke/defineHiddenClass/BasicTest.java

[Roger Riggs]

On Tue, 3 Nov 2020 23:55:24 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> test/jdk/java/lang/invoke/defineHiddenClass/BasicTest.java tests a record class.
> This test no longer needs to be run with --enable-preview.

Marked as reviewed by rriggs (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/1048