[PTZ] Remove unnecessary comment

This CL removes a comment that is not necessary anymore with
https://chromium-review.googlesource.com/c/chromium/src/+/2247820

Bug: 934063
Change-Id: I7aa733f18f399ab7036f083b37134a99b47a8107
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2274622
Auto-Submit: François Beaufort <beaufort.francois@gmail.com>
Reviewed-by: Guido Urdaneta <guidou@chromium.org>
Commit-Queue: François Beaufort <beaufort.francois@gmail.com>
Cr-Commit-Position: refs/heads/master@{#784423}

third_party/blink/renderer/modules/mediastream/user_media_processor.cc

@@ -967,8 +967,6 @@ void UserMediaProcessor::OnStreamGenerated(
     bool pan_tilt_zoom_allowed) {
   DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
 
-  // TODO(crbug.com/934063): Reject the request if the PTZ permission is denied
-  // and the request requires it.
   if (result != MediaStreamRequestResult::OK) {
     OnStreamGenerationFailed(request_id, result);
     return;