Remove stray copy of OS::AlignedAllocate.

runtime/bin/utils_win.cc

 // 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.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_WINDOWS)
 
 #include <errno.h>  // NOLINT
 #include <time.h>  // NOLINT
 
@@ skipping 173 matching lines @@
   QueryPerformanceCounter(&now);
   int64_t qpc_value = static_cast<int64_t>(now.QuadPart);
   // Convert to microseconds.
   int64_t seconds = qpc_value / qpc_ticks_per_second;
   int64_t leftover_ticks = qpc_value - (seconds * qpc_ticks_per_second);
   int64_t result = seconds * kMicrosecondsPerSecond;
   result += ((leftover_ticks * kMicrosecondsPerSecond) / qpc_ticks_per_second);
   return result;
 }
 
-
-void* OS::AlignedAllocate(intptr_t size, intptr_t alignment) {
-  const int kMinimumAlignment = 16;
-  ASSERT(Utils::IsPowerOfTwo(alignment));
-  ASSERT(alignment >= kMinimumAlignment);
-  void* p = _aligned_malloc(size, alignment);
-  if (p == NULL) {
-    UNREACHABLE();
-  }
-  return p;
-}
-
 void TimerUtils::Sleep(int64_t millis) {
   ::Sleep(millis);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_WINDOWS)