This reverts commit bc8a62b244c4038d2a005bffcbe7a82bd933d7d1.
Reason for revert: reverting per
https://bugs.chromium.org/p/webrtc/issues/detail?id=14368#c5
This needs more careful consideration and should be put behind a finch flag or origin trial
Original change's description:
> Enable Multithreaded H264 Encoding For OpenH264
>
> Re-enabled multithreaded encoding using OpenH264, as the issue described in crbug.com/583348 no longer applies.
>
> Bug: webrtc:14368
> Change-Id: I5ae768a6edf3b40d99c13fb4ee4662626c993a66
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/271820
> Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
> Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#37837}
Bug: webrtc:14368
Change-Id: Icebedfe4eb8e3901670b9f90e229379fca95206b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/272600
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37878}