encoding: delete obsolete TLV-TYPE constants

This includes:

* SelectedDelegation
* security v1 KeyBag
* LocalControlFeature

refs #4055, #3098, #3755

Change-Id: I63e5ff423baccf698ec53838d41a0626d61bdf3b
diff --git a/src/encoding/tlv-security.hpp b/src/encoding/tlv-security.hpp
index ac8f248..7625d0b 100644
--- a/src/encoding/tlv-security.hpp
+++ b/src/encoding/tlv-security.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2013-2016 Regents of the University of California.
+/*
+ * Copyright (c) 2013-2018 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -29,12 +29,6 @@
 namespace security {
 
 enum {
-  IdentityPackage    = 128,
-  KeyPackage         = 129,
-  CertificatePackage = 130
-};
-
-enum {
   SafeBag = 128,
   EncryptedKeyBag = 129
 };