media/video: remove unused code

Bug: None
Change-Id: I5f83416141829c2dc898a7724df8076eb75cc283
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2564567
Auto-Submit: Zhaoliang Ma <zhaoliang.ma@intel.com>
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#831959}

media/video/video_encoder_info.cc

@@ -54,6 +54,5 @@ bool operator==(const VideoEncoderInfo& l, const VideoEncoderInfo& r) {
          l.supports_simulcast == r.supports_simulcast &&
          l.scaling_settings == r.scaling_settings &&
          l.resolution_bitrate_limits == r.resolution_bitrate_limits;
-  return true;
 }
 }  // namespace media