git: openjdk/jdk: 8311086: Remove jtreg/gc/startup_warnings

[Leo Korinth]

Changeset: 496f94b4
Author:    Leo Korinth <lkorinth at openjdk.org>
Date:      2023-07-03 11:11:05 +0000
URL:       https://git.openjdk.org/jdk/commit/496f94b48801dbaec24f1f107ebf8ee71780f522

8311086: Remove jtreg/gc/startup_warnings

Reviewed-by: ayang, mli, kbarrett, tschatzl

! test/hotspot/jtreg/TEST.groups
- test/hotspot/jtreg/gc/startup_warnings/TestG1.java
- test/hotspot/jtreg/gc/startup_warnings/TestParallelGC.java
- test/hotspot/jtreg/gc/startup_warnings/TestSerialGC.java
- test/hotspot/jtreg/gc/startup_warnings/TestShenandoah.java