WiFi is off by default at boot

ampel-firmware/util.cpp

@@ -4,13 +4,6 @@
 #if defined(ESP8266)
 #  include <ESP8266WiFi.h> // required to get MAC address
 const char *current_board = "ESP8266";
-#  if !defined(AMPEL_WIFI)
-void preinit() {
-  // WiFi would be initialized otherwise (on ESP8266), even if unused.
-  // see https://github.com/esp8266/Arduino/issues/2111#issuecomment-224251391
-  ESP8266WiFiClass::preinitWiFiOff();
-}
-#  endif
 #elif defined(ESP32)
 #  include <WiFi.h> // required to get MAC address
 const char *current_board = "ESP32";