Bug 442959: [Workbench] Mark WorkbenchHelp, IHelp and related API for deletion

Reverted @no* tags that caused API Tools errors and fixed deprecation comment

Change-Id: Ib42b687be06e134223062ddbc3cc7ce5b86313a9
diff --git a/org.eclipse.help/src/org/eclipse/help/IHelp.java b/org.eclipse.help/src/org/eclipse/help/IHelp.java
index 8c6a56e..c39a08c 100644
--- a/org.eclipse.help/src/org/eclipse/help/IHelp.java
+++ b/org.eclipse.help/src/org/eclipse/help/IHelp.java
@@ -21,12 +21,8 @@
  *             and {@link org.eclipse.help.HelpSystem#getContext
  *             HelpSystem.getContext(String)} to obtain help resources. Use
  *             various display methods of
- *             {@link org.eclipse.ui.help.WorkbenchHelp WorkbenchHelp}to display
- *             help resources.
- *
- * @noinstantiate This class is not intended to be instantiated by clients.
- * @noextend This class is not intended to be subclassed by clients.
- * @noreference This class is not intended to be referenced by clients.
+ *             {@link org.eclipse.ui.help.IWorkbenchHelpSystem} to display help
+ *             resources.
  */
 @Deprecated
 public interface IHelp {