This is a cleanup in VP9 encoder wrapper. The removed code paths were only used in tests. In prod layers are configured explicitly via VideoCodec::spatialLayers[].
Bug: webrtc:42225151
Change-Id: I1de90039488b36e3c88e788c78e675bf2ee68f9b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/349222
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Auto-Submit: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42250}