GICE was removed around M42 BUG=webrtc:4299 Change-Id: I4e83a888c3ecc1681799c07b47b75c9f31b40baa Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227348 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34680}