fix iwyu

Author: acelyc111

src/replica/replica_backup.cpp

@@ -28,6 +28,7 @@
 #include <map>
 #include <memory>
 #include <string>
+#include <type_traits>
 #include <utility>
 #include <vector>
 

src/replica/replica_stub.cpp

@@ -74,7 +74,6 @@
 #include "task/task.h"
 #include "task/task_engine.h"
 #include "task/task_worker.h"
-#include "utils/api_utilities.h"
 #include "utils/command_manager.h"
 #include "utils/env.h"
 #include "utils/errors.h"

src/runtime/scheduler.cpp

@@ -29,15 +29,16 @@
 #include <chrono>
 #include <random>
 #include <thread>
+#include <type_traits>
 #include <utility>
 
 #include "runtime/node_scoper.h"
 #include "runtime/service_app.h"
 #include "runtime/simulator.h"
+#include "scheduler.h"
 #include "task/task_code.h"
 #include "task/task_queue.h"
 #include "task/task_spec.h"
-#include "scheduler.h"
 #include "utils/fmt_logging.h"
 #include "utils/join_point.h"
 #include "utils/rand.h"

src/server/result_writer.cpp

@@ -21,7 +21,6 @@
 
 #include <pegasus/error.h>
 #include <chrono>
-#include <type_traits>
 #include <utility>
 
 #include "pegasus/client.h"