Delete obsolete BitrateAdjuster constructor.

Followup to https://webrtc-review.googlesource.com/70381

Bug: webrtc:6733
Change-Id: I8c83ab17836f71b35ec5f05b24f1be3b6bbe7fe1
Reviewed-on: https://webrtc-review.googlesource.com/71081
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22950}

common_video/include/bitrate_adjuster.h

diff --git a/common_video/include/bitrate_adjuster.h b/common_video/include/bitrate_adjuster.h
index 0567365..76ce9e9 100644
--- a/common_video/include/bitrate_adjuster.h
+++ b/common_video/include/bitrate_adjuster.h
@@ -18,10 +18,6 @@
 
 namespace webrtc {
 
-// TODO(nisse): Delete, together with the corresponding deprecated
-// constructor.
-class Clock;
-
 // Certain hardware encoders tend to consistently overshoot the bitrate that
 // they are configured to encode at. This class estimates an adjusted bitrate
 // that when set on the encoder will produce the desired bitrate.
@@ -32,12 +28,6 @@
   // bitrate.
   BitrateAdjuster(float min_adjusted_bitrate_pct,
                   float max_adjusted_bitrate_pct);
-  // TODO(bugs.webrtc.org/6733): Deprecated, only for compatibility
-  // with old code. Delete as soon as all users are updated.
-  BitrateAdjuster(Clock*,
-                  float min_adjusted_bitrate_pct,
-                  float max_adjusted_bitrate_pct)
-      : BitrateAdjuster(min_adjusted_bitrate_pct, max_adjusted_bitrate_pct) {}
   virtual ~BitrateAdjuster() {}
 
   static const uint32_t kBitrateUpdateIntervalMs;