fixes some bugs in CTT regarding non-session services

src/server/ua_server_binary.c

@@ -447,7 +447,7 @@ processRequest(UA_SecureChannel *channel, UA_Server *server, UA_UInt32 requestId
     /* Set an anonymous, inactive session for services that need no session */
     UA_Session anonymousSession;
     if(!session) {
-        if(sessionRequired || !UA_NodeId_isNull(&requestHeader->authenticationToken)) {
+        if(sessionRequired) {
             UA_LOG_INFO_CHANNEL(server->config.logger, channel, "Service request %i without a valid session",
                                 requestTypeId.identifier.numeric - UA_ENCODINGOFFSET_BINARY);
             sendError(channel, msg, requestPos, responseType, requestId, UA_STATUSCODE_BADSESSIONIDINVALID);