git: openjdk/jdk11u-dev: 8208699: remove unneeded imports from runtime tests

[Goetz Lindenmaier]

Changeset: 39880548
Author:    Amos Shi <ashi at openjdk.org>
Committer: Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-11-30 19:20:46 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/39880548c622ca1beb5db60a417b16fbada4fd17

8208699: remove unneeded imports from runtime tests

Backport-of: 940ac1cddc3317ced9a5c9b6b0f1c85b8fd6cdaf

! test/hotspot/jtreg/runtime/SharedArchiveFile/CdsSameObjectAlignment.java
! test/hotspot/jtreg/runtime/XCheckJniJsig/XCheckJSig.java