code: public ProxyPolicyHandler removeProxyPolicyHandler(String id) {
      return (id != null && this.proxyPolicyHandlers != null) ?
          (ProxyPolicyHandler)this.proxyPolicyHandlers.remove(id) :
          null;
      }
docs: Removes a restricted proxy policy handler.
  
  @param id the Oid of the policy handler to remove.
  @return <code>ProxyPolicyHandler</code> the removed handler, or
  null if there is no handler registered under that
  id.