removed some SSU1 code

libi2pd/RouterInfo.cpp

@@ -336,11 +336,7 @@ namespace data
 						address->ssu->introducers.resize (index + 1);
 					}
 					Introducer& introducer = address->ssu->introducers.at (index);
-					if (!strcmp (key, "ihost"))
+					if (!strcmp (key, "itag"))
-						introducer.isH = false; // SSU1
-					else if (!strcmp (key, "iport"))
-						introducer.isH = false; // SSU1
-					else if (!strcmp (key, "itag"))
 					{
 						try
 						{
@@ -352,10 +348,7 @@ namespace data
 						}
 					}
 					else if (!strcmp (key, "ih"))
-					{
 						Base64ToByteStream (value, strlen (value), introducer.iH, 32);
-						introducer.isH = true;
-					}
 					else if (!strcmp (key, "iexp"))
 					{
 						try
@@ -411,7 +404,7 @@ namespace data
 					int numValid = 0;
 					for (auto& it: address->ssu->introducers)
 					{
-						if (it.iTag && ts < it.iExp && it.isH)
+						if (it.iTag && ts < it.iExp)
 							numValid++;
 						else
 							it.iTag = 0;

libi2pd/RouterInfo.h

@@ -110,11 +110,10 @@ namespace data
 
 			struct Introducer
 			{
-				Introducer (): iTag (0), iExp (0), isH (false) {};
+				Introducer (): iTag (0), iExp (0) {};
 				IdentHash iH;
 				uint32_t iTag;
 				uint32_t iExp;
-				bool isH; // TODO: remove later
 			};
 
 			struct SSUExt

libi2pd/SSU2.cpp

@@ -1017,7 +1017,6 @@ namespace transport
 				i2p::data::RouterInfo::Introducer introducer;
 				introducer.iTag = it->GetRelayTag ();
 				introducer.iH = it->GetRemoteIdentity ()->GetIdentHash ();
-				introducer.isH = true;
 				introducer.iExp = it->GetCreationTime () + SSU2_TO_INTRODUCER_SESSION_EXPIRATION;
 				excluded.insert (it->GetRemoteIdentity ()->GetIdentHash ());
 				if (i2p::context.AddSSU2Introducer (introducer, v4))