Remove RTC_DISALLOW_COPY_AND_ASSIGN from rtc_base/

Bug: webrtc:13555, webrtc:13082
Change-Id: I406b7f04497562866ea3329e97c5adc96e927b6f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/245680
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Commit-Queue: (Daniel.L) Byoungchan Lee <daniel.l@hpcnt.com>
Cr-Commit-Position: refs/heads/main@{#35691}
diff --git a/rtc_base/task_queue.h b/rtc_base/task_queue.h
index 86d3597..1798d06 100644
--- a/rtc_base/task_queue.h
+++ b/rtc_base/task_queue.h
@@ -20,7 +20,6 @@
 #include "api/task_queue/queued_task.h"
 #include "api/task_queue/task_queue_base.h"
 #include "api/task_queue/task_queue_factory.h"
-#include "rtc_base/constructor_magic.h"
 #include "rtc_base/system/rtc_export.h"
 #include "rtc_base/task_utils/to_queued_task.h"
 #include "rtc_base/thread_annotations.h"
@@ -83,6 +82,9 @@
                                      webrtc::TaskQueueDeleter> task_queue);
   ~TaskQueue();
 
+  TaskQueue(const TaskQueue&) = delete;
+  TaskQueue& operator=(const TaskQueue&) = delete;
+
   // Used for DCHECKing the current queue.
   bool IsCurrent() const;
 
@@ -125,8 +127,6 @@
 
  private:
   webrtc::TaskQueueBase* const impl_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(TaskQueue);
 };
 
 }  // namespace rtc