Really remove config.h

sky/engine/wtf/dtoa/cached-powers.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
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-#include "sky/engine/config.h"
 
 #include <stdarg.h>
 #include <limits.h>
 #include <math.h>
 
 #include "cached-powers.h"
 #include "sky/engine/wtf/dtoa/utils.h"
 
 namespace WTF {
 
@@ skipping 148 matching lines @@
         CachedPower cached_power = kCachedPowers[index];
         *power = DiyFp(cached_power.significand, cached_power.binary_exponent);
         *found_exponent = cached_power.decimal_exponent;
         ASSERT(*found_exponent <= requested_exponent);
         ASSERT(requested_exponent < *found_exponent + kDecimalExponentDistance);
     }
 
 }  // namespace double_conversion
 
 } // namespace WTF