Remove hints

Change-Id: I537619fefad6ffb6b46c5dc618f0fdcc15884d6e
diff --git a/src/clients/query.cpp b/src/clients/query.cpp
index f890ad1..4e7621b 100644
--- a/src/clients/query.cpp
+++ b/src/clients/query.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014, Regents of the University of California.
+ * Copyright (c) 2014-2016, Regents of the University of California.
  *
  * This file is part of NDNS (Named Data Networking Domain Name Service).
  * See AUTHORS.md for complete list of NDNS authors and contributors.
@@ -27,9 +27,8 @@
 {
 }
 
-Query::Query(const Name& hint, const Name& zone, const name::Component& queryType)
-  : m_hint(hint)
-  , m_zone(zone)
+Query::Query(const Name& zone, const name::Component& queryType)
+  : m_zone(zone)
   , m_queryType(queryType)
   , m_interestLifetime(ndn::DEFAULT_INTEREST_LIFETIME)
 {
@@ -37,21 +36,18 @@
 
 
 bool
-Query::fromInterest(const Name& hint, const Name& zone, const Interest& interest)
+Query::fromInterest(const Name& zone, const Interest& interest)
 {
   label::MatchResult re;
-  if (!matchName(interest, hint, zone, re))
+  if (!matchName(interest, zone, re))
     return false;
 
   m_rrLabel = re.rrLabel;
   m_rrType = re.rrType;
 
-  m_hint = hint;
   m_zone = zone;
 
   size_t len = zone.size();
-  if (!hint.empty())
-    len += hint.size() + 1;
   m_queryType = interest.getName().get(len);
 
   return true;
@@ -60,12 +56,8 @@
 Interest
 Query::toInterest() const
 {
-  // <hint> /xF0. <zone> [<KEY>|<NDNS>|<NDNS-R>] <rrLabel> <rrType>
+  // <zone> [<KEY>|<NDNS>|<NDNS-R>] <rrLabel> <rrType>
   Name name;
-  if (!m_hint.empty()) {
-    name.append(m_hint)
-        .append(ndn::ndns::label::FORWARDING_HINT_LABEL);
-  }
 
   name.append(this->m_zone)
       .append(this->m_queryType)
@@ -79,7 +71,6 @@
 operator<<(std::ostream& os, const Query& query)
 {
   os << "Query: zone=" << query.getZone()
-     << " hint=" << query.getHint()
      << " queryType=" << query.getQueryType()
      << " rrLabel=" << query.getRrLabel()
      << " rrType=" << query.getRrType()