8312916: Remove remaining usages of -Xdebug from test/hotspot/jtreg

Reviewed-by: kevinw, cjplummer, dholmes

Author: jaikiran

test/hotspot/jtreg/serviceability/attach/ShMemLongName.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2023, 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
@@ -95,7 +95,6 @@ private static void log(String s) {
     private static ProcessBuilder getTarget(String shmemName) throws IOException {
         log("starting target with shmem name: '" + shmemName + "'...");
         return ProcessTools.createJavaProcessBuilder(
-                "-Xdebug",
                 "-Xrunjdwp:transport=" + transport + ",server=y,suspend=n,address=" + shmemName,
                 "ShMemLongName$Target");
     }

test/hotspot/jtreg/vmTestbase/nsk/jdi/AttachingConnector/attach/attach004/TestDriver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2023, 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
@@ -92,7 +92,6 @@ private static Process startDebuggee(String[] jdiArgs, String transport, String
         Collections.addAll(cmd, Utils.prependTestJavaOpts(
                 "-cp",
                 Utils.TEST_CLASS_PATH,
-                "-Xdebug",
                 "-agentlib:jdwp=transport=" + transport + ",server=y,suspend=" + suspend,
                 "-Dmy.little.cookie=" + ProcessHandle.current().pid(),
                 debuggeeClass.getName()));

test/hotspot/jtreg/vmTestbase/nsk/share/jpda/DebugeeBinder.java

@@ -328,8 +328,6 @@ public String[] makeCommandLineArgs(String classToExecute, String transportAddre
         args.add(classPath);
  */
 
-        args.add("-Xdebug");
-
         String server;
         if (argumentHandler.isAttachingConnector()) {
             server = "y";