8176769: Remove accidental spec change in jdk8u

Reviewed-by: chegar

src/share/classes/java/util/concurrent/ThreadPoolExecutor.java

@@ -1482,9 +1482,6 @@ public class ThreadPoolExecutor extends AbstractExecutorService {
     /**
      * Invokes {@code shutdown} when this executor is no longer
      * referenced and it has no threads.
-     *
-     * <p>This method is invoked with privileges that are restricted by
-     * the security context of the caller that invokes the constructor.
      */
     protected void finalize() {
         SecurityManager sm = System.getSecurityManager();