This CL removes parameters for AEC3 which are no longer used. To reflect that change, one of the parameters also is renamed Bug: chromium:941949,webrtc:8671 Change-Id: I26609b396fa14ecb7523eebfe531a1338718103b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127780 Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Commit-Queue: Per Åhgren <peah@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27128}