code: public void removeHandler(Handler handler) throws SecurityException {
          checkPermission();
          if (handler == null) {
              return;
          }
          handlers.remove(handler);
      }
docs: Remove a log Handler.
  <P>
  Returns silently if the given Handler is not found or is null
  
  @param   handler a logging Handler
  @exception  SecurityException  if a security manager exists and if
  the caller does not have LoggingPermission("control").