blink: don't LOG every EnableVideoPlaybackQuality

This makes noise in the console :)

Bug: None
Change-Id: I66957eaa0aa9e333a29dc1289de21db8c22a6b89
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1959653Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#723450}

third_party/blink/renderer/platform/exported/web_runtime_features.cc

@@ -557,7 +557,6 @@ void WebRuntimeFeatures::EnableVideoFullscreenDetection(bool enable) {
 }
 
 void WebRuntimeFeatures::EnableVideoPlaybackQuality(bool enable) {
-  LOG(ERROR) << __func__ << "(" << enable << ")";
   RuntimeEnabledFeatures::SetVideoPlaybackQualityEnabled(enable);
 }