APM: Removing the redundant VAD output from the integer API

This CL removes the redundant VAD output from the newly introduced
integer API in AudioProcessing.

Bug: webrtc:5298
Change-Id: Iad2b1b97ada7f4863139655526c110e326c6788a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/170824
Commit-Queue: Per Åhgren <peah@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30832}
diff --git a/modules/audio_processing/audio_processing_impl.h b/modules/audio_processing/audio_processing_impl.h
index 4cc55c7..28a8829 100644
--- a/modules/audio_processing/audio_processing_impl.h
+++ b/modules/audio_processing/audio_processing_impl.h
@@ -87,8 +87,7 @@
   int ProcessStream(const int16_t* const src,
                     const StreamConfig& input_config,
                     const StreamConfig& output_config,
-                    int16_t* const dest,
-                    VoiceDetectionResult* vad_state) override;
+                    int16_t* const dest) override;
   int ProcessStream(const float* const* src,
                     const StreamConfig& input_config,
                     const StreamConfig& output_config,