It appesrs unused for a long time; an alias was deleted in https://webrtc-review.googlesource.com/c/124488, but it was already unused. Bug: None Change-Id: Idae6a72949968e22c784d512f9617240ef1169b4 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/128569 Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27187}