git: openjdk/jdk: 8285756: clean up use of bad arguments for `@clean` in langtools tests

[Jonathan Gibbons]

Changeset: 3312d8c6
Author:    Jonathan Gibbons <jjg at openjdk.org>
Date:      2022-04-27 22:22:28 +0000
URL:       https://git.openjdk.java.net/jdk/commit/3312d8c620003125a88540fd5b2bacff34732ade

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

Reviewed-by: darcy

! test/langtools/tools/javac/6257443/T6257443.java
! test/langtools/tools/javac/jvm/ClassRefDupInConstantPoolTest.java
! test/langtools/tools/javac/warnings/suppress/PackageInfo.java