b74a3e591f
To remove histogram WebRTC.PeerConnection.IceRegatheringReason expired in M77, this CL removes the supporting codebase for it. The removal of the histogram itself will be performed in crrev.com/c/5132272 . This CL is a part of Chrome Code Health Rotation project. Bug: chromium:1507997 Change-Id: I856e62920578e80970ca2453c86a588141bf120d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/331880 Reviewed-by: Per Kjellander <perkj@webrtc.org> Commit-Queue: Taiyo Mizuhashi <taiyo@chromium.org> Cr-Commit-Position: refs/heads/main@{#41436}