Remove more things

runtime/vm/vtune.h

Index: runtime/vm/vtune.h
diff --git a/runtime/vm/vtune.h b/runtime/vm/vtune.h
deleted file mode 100644
index 4f62aff51422447a5b326d952349ab21dc4b1d34..0000000000000000000000000000000000000000
--- a/runtime/vm/vtune.h
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#ifndef VM_VTUNE_H_
-#define VM_VTUNE_H_
-
-#include "vm/code_observers.h"
-
-namespace dart {
-
-#if defined(DART_VTUNE_SUPPORT)
-class VTuneCodeObserver : public CodeObserver {
- public:
-  virtual bool IsActive() const;
-
-  virtual void Notify(const char* name,
-                      uword base,
-                      uword prologue_offset,
-                      uword size,
-                      bool optimized);
-};
-#endif
-
-
-}  // namespace dart
-
-#endif  // VM_VTUNE_H_