Revert "Log invalid CDKey validation challenge respond and disconnect…

… its sender."

This reverts commit 7189e5a.

cs/engine/xrGame/xrGameSpyServer.cpp

@@ -166,24 +166,18 @@ u32				xrGameSpyServer::OnMessage(NET_Packet& P, ClientID sender)			// Non-Zero
 	case M_GAMESPY_CDKEY_VALIDATION_CHALLENGE_RESPOND:
 		{
 			string128 ResponseStr;
-            ResponseStr[0] = 0;
 			if ((P.r_elapsed() == 0) ||
 				(P.r_elapsed() >= sizeof(ResponseStr)))
 			{
-                auto clientIp = CL->m_cAddress.to_string();
-                Msg("! WARNING: Validation challenge respond from client [%s] is too long, DoS attack?", clientIp.c_str());
-                this->DisconnectClient(CL, "");
-                // XXX nitrocaster: block IP address after X such attempts
 				return 0;
-			}            
+			}
+			strcpy_s(ResponseStr, "");
 			P.r_stringZ(ResponseStr);
 			if (xr_strlen(ResponseStr) == 0)
 			{
-                auto clientIp = CL->m_cAddress.to_string();
-                Msg("! WARNING: Validation challenge respond from client [%s] is empty, DoS attack?", clientIp.c_str());
-                this->DisconnectClient(CL, "");
 				return 0;
-			}			
+			}
+
 			if (!CL->m_bCDKeyAuth)
 			{
 #ifndef MASTER_GOLD

cs/engine/xrNetServer/NET_Server.cpp

@@ -47,7 +47,7 @@ void ip_address::set(LPCSTR src_string)
 	}
 }
 
-xr_string ip_address::to_string() const // XXX nitrocaster: don't use xr_string here
+xr_string ip_address::to_string() const
 {
 	string128	res;
 	sprintf_s	(res,sizeof(res),"%d.%d.%d.%d", m_data.a1, m_data.a2, m_data.a3, m_data.a4);