Delete api/stats_types.h in favor of api/legacy_stats_types.h

The file was renamed, see
https://groups.google.com/u/1/g/discuss-webrtc/c/ZQiP4f_bpw4

Bug: webrtc:14180
Change-Id: Ia76c85ba7d9da6b3a93d0a67a4b6a5187e07e230
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/283084
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Auto-Submit: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38616}

api/BUILD.gn

@@ -219,7 +219,6 @@ rtc_library("libjingle_peerconnection_api") {
     "sctp_transport_interface.h",
     "set_local_description_observer_interface.h",
     "set_remote_description_observer_interface.h",
-    "stats_types.h",
     "uma_metrics.h",
     "video_track_source_proxy_factory.h",
   ]

api/stats_types.h

@@ -1,19 +0,0 @@
-/*
- *  Copyright 2022 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef API_STATS_TYPES_H_
-#define API_STATS_TYPES_H_
-
-// TODO(https://crbug.com/webrtc/14180): When downstream dependencies are
-// including legacy_stats_types.h directly (or use spec-compliant stats) instead
-// of this file, delete it.
-#include "api/legacy_stats_types.h"
-
-#endif  // API_STATS_TYPES_H_

pc/legacy_stats_collector_interface.h

@@ -17,8 +17,8 @@
 
 #include <stdint.h>
 
+#include "api/legacy_stats_types.h"
 #include "api/media_stream_interface.h"
-#include "api/stats_types.h"
 
 namespace webrtc {
 

sdk/objc/api/peerconnection/RTCLegacyStatsReport+Private.h

@@ -10,7 +10,7 @@
 
 #import "RTCLegacyStatsReport.h"
 
-#include "api/stats_types.h"
+#include "api/legacy_stats_types.h"
 
 NS_ASSUME_NONNULL_BEGIN