Revert "Inform VideoEncoder of negotiated capabilities"

This reverts commit 11dfff0878c949f2e19d95a0ddc209cdad94b3b4.

Reason for revert: Downstream import failure.

Original change's description:
> Inform VideoEncoder of negotiated capabilities
> 
> After this CL lands, an announcement will be made to
> discuss-webrtc about the deprecation of one version
> of InitEncode().
> 
> Bug: webrtc:10720
> Change-Id: Ib992af0272bbb16ae16ef7e69491f365702d179e
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/140884
> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
> Reviewed-by: Erik Språng <sprang@webrtc.org>
> Commit-Queue: Elad Alon <eladalon@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#28224}

TBR=sakal@webrtc.org,kwiberg@webrtc.org,eladalon@webrtc.org,kthelgason@webrtc.org,sprang@webrtc.org

Change-Id: I7f833055c67f1f879b01dd8c156ba7b8840e8747
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:10720
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/141411
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28225}

modules/video_coding/codecs/h264/h264_encoder_impl.h

@@ -25,7 +25,6 @@
 #include <vector>
 
 #include "api/video/i420_buffer.h"
-#include "api/video_codecs/video_encoder.h"
 #include "common_video/h264/h264_bitstream_parser.h"
 #include "modules/video_coding/codecs/h264/include/h264.h"
 #include "modules/video_coding/utility/quality_scaler.h"
@@ -67,8 +66,6 @@ class H264EncoderImpl : public H264Encoder {
   int32_t InitEncode(const VideoCodec* codec_settings,
                      int32_t number_of_cores,
                      size_t max_payload_size) override;
-  int32_t InitEncode(const VideoCodec* codec_settings,
-                     const VideoEncoder::Settings& settings) override;
   int32_t Release() override;
 
   int32_t RegisterEncodeCompleteCallback(