Remove v8stdint.h, it doesn't serve a purpose anymore.

src/base/logging.h

 // Copyright 2012 the V8 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.
 
 #ifndef V8_BASE_LOGGING_H_
 #define V8_BASE_LOGGING_H_
 
+#include <stdint.h>
 #include <string.h>
 
-#include "include/v8stdint.h"
 #include "src/base/build_config.h"
 
 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...);
 
 
 // The FATAL, UNREACHABLE and UNIMPLEMENTED macros are useful during
 // development, but they should not be relied on in the final product.
 #ifdef DEBUG
 #define FATAL(msg)                              \
   V8_Fatal(__FILE__, __LINE__, "%s", (msg))
@@ skipping 193 matching lines @@
 
 // "Extra checks" are lightweight checks that are enabled in some release
 // builds.
 #ifdef ENABLE_EXTRA_CHECKS
 #define EXTRA_CHECK(condition) CHECK(condition)
 #else
 #define EXTRA_CHECK(condition) ((void) 0)
 #endif
 
 #endif  // V8_BASE_LOGGING_H_