code style: move includes from header to sourcefile

main/ntp.cpp

 #include "ntp.h"
 
+#include <qthing.h>
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "apps/sntp/sntp.h"
+#include <time.h>
+#include "esp_log.h"
+
 
 typedef struct {
     bool started;

main/ntp.h

 #pragma once
 
-#include <qthing.h>
-
-#include "freertos/FreeRTOS.h"
-#include "freertos/task.h"
-#include "apps/sntp/sntp.h"
-#include <time.h>
-#include "esp_log.h"
-
 
 extern "C" {
   void setenv(char *env, char *value, int overwrite);