Trying to refactor lorawan header

ampel-firmware/lorawan.cpp

 #include "lorawan.h"
+
 #if defined(AMPEL_LORAWAN) && defined(ESP32)
 
+#include "led_effects.h"
+#include "sensor_console.h"
+#include "util.h"
+#include <SPI.h>
+
 namespace config {
   // Values should be defined in config.h
   uint16_t lorawan_sending_interval = LORAWAN_SENDING_INTERVAL; // [s]

ampel-firmware/lorawan.h

@@ -4,17 +4,12 @@
 #include "config.h"
 
 #if defined(AMPEL_LORAWAN) && defined(ESP32)
-#include <Arduino.h>
+#include <stdint.h> // For uint32_t & uint16_t
 // Requires "MCCI LoRaWAN LMIC library", which will be automatically used with PlatformIO but should be added in "Arduino IDE".
 // Tested successfully with v3.2.0 and connected to a thethingsnetwork.org app.
 #include <lmic.h>
 #include <hal/hal.h>
 #include <arduino_lmic_hal_boards.h>
-#include <SPI.h>
-
-#include "led_effects.h"
-#include "sensor_console.h"
-#include "util.h"
 
 namespace config {
   extern uint16_t lorawan_sending_interval; // [s]

ampel-firmware/wifi_util.h

 #ifndef WIFI_UTIL_H_INCLUDED
 #define WIFI_UTIL_H_INCLUDED
 
-#if defined(ESP8266)
-#  include <ESP8266WiFi.h>
-#elif defined(ESP32)
-#  include <WiFi.h>
-#endif
-
 namespace wifi {
   extern char local_ip[];
   void connect(const char *hostname);