Remove video-codec max bitrate from TMMBN.

webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc

Index: webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc b/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc
index a862f1a9dcf7ecf06501e7bd1082004bd0f0d91e..f3793d0901e987dcfd488a1ba3b529a9c1dc3a41 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc
@@ -433,9 +433,7 @@ class RTPPayloadVideoStrategy : public RTPPayloadStrategy {
   }
 
   void UpdatePayloadRate(RtpUtility::Payload* payload,
-                         const uint32_t rate) const override {
-    payload->typeSpecific.Video.maxRate = rate;
-  }
+                         const uint32_t rate) const override {}
 
   RtpUtility::Payload* CreatePayloadType(
       const char payloadName[RTP_PAYLOAD_NAME_SIZE],
@@ -464,7 +462,6 @@ class RTPPayloadVideoStrategy : public RTPPayloadStrategy {
     payload->name[RTP_PAYLOAD_NAME_SIZE - 1] = 0;
     strncpy(payload->name, payloadName, RTP_PAYLOAD_NAME_SIZE - 1);
     payload->typeSpecific.Video.videoCodecType = videoType;
-    payload->typeSpecific.Video.maxRate = rate;
     payload->audio = false;
     return payload;
   }