remove adding of defaults to upstream dns resolvers

llarp/dns/server.cpp

@@ -131,14 +131,13 @@ namespace llarp
         {
           llarp::LogWarn("failed to handle hooked dns");
         }
-        return;
       }
       else if(m_Resolvers.size() == 0)
       {
         // no upstream resolvers
         // let's serv fail it
         msg.AddServFail();
-        SendMessageTo(from, msg);
+        SendMessageTo(from, std::move(msg));
       }
       else if(itr == m_Forwarded.end())
       {

llarp/handlers/exit.cpp

@@ -273,8 +273,6 @@ namespace llarp
           llarp::LogWarn("Could not create tunnel for exit endpoint");
           return false;
         }
-        if(m_UpstreamResolvers.size() == 0)
-          m_UpstreamResolvers.emplace_back("8.8.8.8", 53);
         llarp::LogInfo("Trying to start resolver ",
                        m_LocalResolverAddr.ToString());
         return m_Resolver.Start(m_LocalResolverAddr, m_UpstreamResolvers);

llarp/router/router.cpp

@@ -1804,8 +1804,7 @@ namespace llarp
         netConfigDefaults = {
             {"ifname", []() -> std::string { return "auto"; }},
             {"ifaddr", []() -> std::string { return "auto"; }},
-            {"local-dns", []() -> std::string { return "127.0.0.1:53"; }},
-            {"upstream-dns", []() -> std::string { return "1.1.1.1:53"; }}};
+            {"local-dns", []() -> std::string { return "127.0.0.1:53"; }}};
     // populate with fallback defaults if values not present
     auto itr = netConfigDefaults.begin();
     while(itr != netConfigDefaults.end())