Remove unnecessary includes of v8 headers from platform files

src/platform-macos.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 41 matching lines @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
 
 #undef MAP_TYPE
 
 #include "v8.h"
 
 #include "platform.h"
-#include "simulator.h"
-#include "vm-state-inl.h"
 
 
 namespace v8 {
 namespace internal {
 
 
 // Constants used for mmap.
 // kMmapFd is used to pass vm_alloc flags to tag the region with the user
 // defined tag 255 This helps identify V8-allocated regions in memory analysis
 // tools like vmmap(1).
@@ skipping 252 matching lines @@
 bool VirtualMemory::ReleaseRegion(void* address, size_t size) {
   return munmap(address, size) == 0;
 }
 
 
 bool VirtualMemory::HasLazyCommits() {
   return false;
 }
 
 } }  // namespace v8::internal