[ANT] Remove obsolete comments and update ant.launching/remote.jar

Follow-up on
- eclipse-platform#1655
- eclipse-platform#1662

ant/org.eclipse.ant.core/src_ant/org/eclipse/ant/internal/core/ant/InternalAntRunner.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- *  Copyright (c) 2000, 2022 IBM Corporation and others.
+ *  Copyright (c) 2000, 2024 IBM Corporation and others.
  *
  *  This program and the accompanying materials
  *  are made available under the terms of the Eclipse Public License 2.0
@@ -83,7 +83,7 @@
 @SuppressWarnings("removal") // SecurityManager
 public class InternalAntRunner {
 
-	private static final boolean IS_SECURITY_MANAGER_SUPPORTED = isSecurityManagerAllowed();
+	public static final boolean IS_SECURITY_MANAGER_SUPPORTED = isSecurityManagerAllowed();
 
 	private static boolean isSecurityManagerAllowed() {
 		String sm = System.getProperty("java.security.manager"); //$NON-NLS-1$
@@ -708,8 +708,6 @@ private void run(List<String> argList) {
 				printArguments(getCurrentProject());
 			}
 			if (IS_SECURITY_MANAGER_SUPPORTED) {
-				// TODO: call SecurityManagerUtil.isSecurityManagerAllowed() once it's more fine-grained,
-				// i.e. once https://github.com/apache/ant/pull/216 is available.
 				System.setSecurityManager(new AntSecurityManager(originalSM, Thread.currentThread()));
 			}
 			if (targets == null) {