Remove voe::Channel::StopReceive() and associated logic.

webrtc/voice_engine/test/auto_test/voe_cpu_test.cc

Index: webrtc/voice_engine/test/auto_test/voe_cpu_test.cc
diff --git a/webrtc/voice_engine/test/auto_test/voe_cpu_test.cc b/webrtc/voice_engine/test/auto_test/voe_cpu_test.cc
index 9040ba99bb61686cced6fa04e9e65ed55895dce1..093209df402bef380c733490c06ed4feaa963f04 100644
--- a/webrtc/voice_engine/test/auto_test/voe_cpu_test.cc
+++ b/webrtc/voice_engine/test/auto_test/voe_cpu_test.cc
@@ -74,7 +74,6 @@ int VoECpuTest::DoTest() {
   CHECK(codec->SetRecPayloadType(channel, isac));
   CHECK(codec->SetSendCodec(channel, isac));
 
-  CHECK(base->StartReceive(channel));
   CHECK(base->StartPlayout(channel));
   CHECK(base->StartSend(channel));
   CHECK(file->StartPlayingFileAsMicrophone(channel, _mgr.AudioFilename(),
@@ -92,7 +91,6 @@ int VoECpuTest::DoTest() {
 
   CHECK(base->StopSend(channel));
   CHECK(base->StopPlayout(channel));
-  CHECK(base->StopReceive(channel));
 
   base->DeleteChannel(channel);
   CHECK(base->Terminate());