Remove redundant return-statement in VCMGenericEncoder::RequestFrame

Bug: None
Change-Id: I0da8747729ec309a37146397d6bc1f32bf22c329
Reviewed-on: https://webrtc-review.googlesource.com/c/113660
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25947}
diff --git a/modules/video_coding/generic_encoder.cc b/modules/video_coding/generic_encoder.cc
index 24a4678..807ccbe 100644
--- a/modules/video_coding/generic_encoder.cc
+++ b/modules/video_coding/generic_encoder.cc
@@ -150,7 +150,6 @@
   return encoder_->Encode(
       VideoFrame(I420Buffer::Create(1, 1), kVideoRotation_0, 0), NULL,
       &frame_types);
-  return 0;
 }
 
 bool VCMGenericEncoder::InternalSource() const {