Remove unused voe_cpu_test.cc.

webrtc/voice_engine/test/auto_test/voe_test_interface.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 /*
  *  Interface for starting test
  */
 
 #ifndef WEBRTC_VOICE_ENGINE_VOE_TEST_INTERFACE_H
 #define WEBRTC_VOICE_ENGINE_VOE_TEST_INTERFACE_H
 
 #include "webrtc/common_types.h"
 
 namespace voetest {
 // TODO(andrew): Using directives not permitted.
 using namespace webrtc;
 
 // TestType enumerator
 enum TestType {
   Invalid = -1,
   Standard = 0,
 
-  Stress = 2,
-
-  CPU = 4
+  Stress = 2
 };
 
 // Main test function
 int runAutoTest(TestType testType);
 
 }  // namespace voetest
 #endif // WEBRTC_VOICE_ENGINE_VOE_TEST_INTERFACE_H