Revert of Fix for RtcEventLog ObjC interface

webrtc/sdk/objc/Framework/Classes/RTCPeerConnection.mm

Index: webrtc/sdk/objc/Framework/Classes/RTCPeerConnection.mm
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCPeerConnection.mm b/webrtc/sdk/objc/Framework/Classes/RTCPeerConnection.mm
index 99a0db3d76ab86e5219984b8f8646d6b3eea2aec..68d23874bd3b41408ded8f313cd8f282b74ab202 100644
--- a/webrtc/sdk/objc/Framework/Classes/RTCPeerConnection.mm
+++ b/webrtc/sdk/objc/Framework/Classes/RTCPeerConnection.mm
@@ -207,7 +207,6 @@
   NSMutableArray *_localStreams;
   std::unique_ptr<webrtc::PeerConnectionDelegateAdapter> _observer;
   rtc::scoped_refptr<webrtc::PeerConnectionInterface> _peerConnection;
-  BOOL _hasStartedRtcEventLog;
 }
 
 @synthesize delegate = _delegate;
@@ -355,31 +354,6 @@
       new rtc::RefCountedObject<webrtc::SetSessionDescriptionObserverAdapter>(
           completionHandler));
   _peerConnection->SetRemoteDescription(observer, sdp.nativeDescription);
-}
-
-- (BOOL)startRtcEventLogWithFilePath:(NSString *)filePath
-                      maxSizeInBytes:(int64_t)maxSizeInBytes {
-  RTC_DCHECK(filePath.length);
-  RTC_DCHECK_GT(maxSizeInBytes, 0);
-  RTC_DCHECK(!_hasStartedRtcEventLog);
-  if (_hasStartedRtcEventLog) {
-    RTCLogError(@"Event logging already started.");
-    return NO;
-  }
-  int fd = open(filePath.UTF8String, O_WRONLY | O_CREAT | O_TRUNC,
-                S_IRUSR | S_IWUSR);
-  if (fd < 0) {
-    RTCLogError(@"Error opening file: %@. Error: %d", filePath, errno);
-    return NO;
-  }
-  _hasStartedRtcEventLog =
-      _peerConnection->StartRtcEventLog(fd, maxSizeInBytes);
-  return _hasStartedRtcEventLog;
-}
-
-- (void)stopRtcEventLog {
-  _peerConnection->StopRtcEventLog();
-  _hasStartedRtcEventLog = NO;
 }
 
 - (RTCRtpSender *)senderWithKind:(NSString *)kind