[SYS] Reduce Logs flash footprint (#2232)

By building only the log level required into LOG_LEVEL

Co-authored-by: Florian <1technophile@users.noreply.github.com>

main/config_RF.h

@@ -132,7 +132,7 @@ const char parameters[51][4][24] = {
     {"wind_speed_m_s", "Wind speed", "m/s", "wind_speed"}};
 #  endif
 #  ifdef RTL_433_DISCOVERY_LOGGING
-#    define DISCOVERY_TRACE_LOG(...) Log.trace(__VA_ARGS__)
+#    define DISCOVERY_TRACE_LOG(...) THEENGS_LOG_TRACE(__VA_ARGS__)
 #  else
 #    define DISCOVERY_TRACE_LOG(...)
 #  endif