remove deprecated serial/bt logging options and unify in the new (#4516)

security option.  Per discussion in https://github.com/meshtastic/firmware/issues/4375
no need to preserve the old options when changing to this new simpler
single boolean because they were newish, rarely used and only for 'advanced'
developers.

src/RedirectablePrint.cpp

@@ -213,7 +213,7 @@ void RedirectablePrint::log_to_syslog(const char *logLevel, const char *format,
 void RedirectablePrint::log_to_ble(const char *logLevel, const char *format, va_list arg)
 {
 #if !MESHTASTIC_EXCLUDE_BLUETOOTH
-    if (config.security.bluetooth_logging_enabled && !pauseBluetoothLogging) {
+    if (config.security.debug_log_api_enabled && !pauseBluetoothLogging) {
         bool isBleConnected = false;
 #ifdef ARCH_ESP32
         isBleConnected = nimbleBluetooth && nimbleBluetooth->isActive() && nimbleBluetooth->isConnected();