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

webrtc/logging/rtc_event_log/rtc_event_log.cc

Index: webrtc/logging/rtc_event_log/rtc_event_log.cc
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log.cc b/webrtc/logging/rtc_event_log/rtc_event_log.cc
index 8e39c4aa3227db6d6b7817e3501efdc383ecf6ce..e661e679828dc401ede7bfbce978fd09ae040a7b 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log.cc
+++ b/webrtc/logging/rtc_event_log/rtc_event_log.cc
@@ -94,9 +94,6 @@
   void LogProbeResultFailure(int id,
                              ProbeFailureReason failure_reason) override;
 
-  void LogHostLookupResult(int error,
-                           int64_t elapsed_time_in_milliseconds) override;
-
  private:
   // Private constructor to ensure that creation is done by RtcEventLog::Create.
   RtcEventLogImpl();
@@ -568,18 +565,6 @@
   StoreEvent(std::move(event));
 }
 
-void RtcEventLogImpl::LogHostLookupResult(
-    int error,
-    int64_t host_lookup_time_ms) {
-  std::unique_ptr<rtclog::Event> event(new rtclog::Event());
-  event->set_timestamp_us(rtc::TimeMicros());
-  event->set_type(rtclog::Event::HOST_LOOKUP_EVENT);
-  auto result = event->mutable_host_lookup_result();
-  result->set_error(error);
-  result->set_host_lookup_time_ms(host_lookup_time_ms);
-  StoreEvent(std::move(event));
-}
-
 void RtcEventLogImpl::StoreEvent(std::unique_ptr<rtclog::Event> event) {
   RTC_DCHECK(event.get() != nullptr);
   if (!event_queue_.Insert(&event)) {