RFR: JDK-8285756: clean up use of bad arguments for `@clean` in langtools tests

Wed Apr 27 21:30:40 UTC 2022

On Wed, 27 Apr 2022 21:15:25 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

> Please review a trivial test fix to fix some bad/unsupported forms of `@clean` tags in some java tests.
> 
> Previously, these bad args were not detected and effectively had no effect.  Now, an upcoming new jtreg version will detect and give errors for these forms.

Marked as reviewed by darcy (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8435