Removed unused _rotation_set variable from EncodedFrame.

Bug: none
Change-Id: I398417541fb66e58b0ad90c4b17c5d36eb61a004
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/154520
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29316}
diff --git a/modules/video_coding/encoded_frame.cc b/modules/video_coding/encoded_frame.cc
index c7a7490..bbbd9bc 100644
--- a/modules/video_coding/encoded_frame.cc
+++ b/modules/video_coding/encoded_frame.cc
@@ -25,8 +25,7 @@
       _renderTimeMs(-1),
       _payloadType(0),
       _missingFrame(false),
-      _codec(kVideoCodecGeneric),
-      _rotation_set(false) {
+      _codec(kVideoCodecGeneric) {
   _codecSpecificInfo.codecType = kVideoCodecGeneric;
 }
 
@@ -52,7 +51,6 @@
   rotation_ = kVideoRotation_0;
   content_type_ = VideoContentType::UNSPECIFIED;
   timing_.flags = VideoSendTiming::kInvalid;
-  _rotation_set = false;
 }
 
 void VCMEncodedFrame::CopyCodecSpecific(const RTPVideoHeader* header) {