remove obsolete last_transmit

src/web/WebLogService.h

@@ -65,7 +65,6 @@ class WebLogService : public uuid::log::Handler {
 
     char * messagetime(char * out, const uint64_t t, const size_t bufsize);
 
-    uint64_t                     last_transmit_        = 0;                // Last transmit time
     size_t                       maximum_log_messages_ = MAX_LOG_MESSAGES; // Maximum number of log messages to buffer before they are output
     size_t                       limit_log_messages_   = 1;                // dynamic limit
     unsigned long                log_message_id_       = 0;                // The next identifier to use for queued log messages