Revert of Add logging of host lookups made by TurnPort to the RtcEventLog.

webrtc/logging/rtc_event_log/rtc_event_log.h

Index: webrtc/logging/rtc_event_log/rtc_event_log.h
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log.h b/webrtc/logging/rtc_event_log/rtc_event_log.h
index 8e1ec2128934f58a6ee178f2e923887416385342..dc3351120c89d458222e715ad0a872f5804dc2c7 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log.h
+++ b/webrtc/logging/rtc_event_log/rtc_event_log.h
@@ -169,13 +169,6 @@
   // Logs the result of an unsuccessful probing attempt.
   virtual void LogProbeResultFailure(int id,
                                      ProbeFailureReason failure_reason) = 0;
-
-  // Logs the result of a host lookup.
-  // if error =  0 - no error
-  //    error = -1 - generic error
-  //    else       - is given by underlying resolver
-  virtual void LogHostLookupResult(int error,
-                                   int64_t elapsed_time_in_milliseconds) = 0;
 
   // Reads an RtcEventLog file and returns true when reading was successful.
   // The result is stored in the given EventStream object.
@@ -231,9 +224,6 @@
   void LogProbeResultSuccess(int id, int bitrate_bps) override{};
   void LogProbeResultFailure(int id,
                              ProbeFailureReason failure_reason) override{};
-
-  void LogHostLookupResult(int error,
-                           int64_t elapsed_time_in_milliseconds) override {}
 };
 
 }  // namespace webrtc