Drop regression test

test/hotspot/jtreg/gc/z/TestZValueStorageAlloc.java

@@ -1,46 +0,0 @@
-/*
- * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/**
- * @test
- * @bug 8376491
- * @summary Regression test for -XX:+UseZGC -XX:ConcGCThreads=11111210 crash
- * @requires vm.gc.Z
- * @library /test/lib
- * @run driver gc.z.TestZValueStorageAlloc
- */
-
-package gc.z;
-
-import jdk.test.lib.process.OutputAnalyzer;
-import jdk.test.lib.process.ProcessTools;
-
-public class TestZValueStorageAlloc {
-
-    public static void main(String[] args) throws Exception{
-        OutputAnalyzer output = ProcessTools.executeTestJava("-XX:+UseZGC",
-                                                             "-XX:ConcGCThreads=11111210",
-                                                             "-version");
-        output.shouldNotContain("# A fatal error has been detected by the Java Runtime Environment");
-    }
-}