Really remove config.h

sky/engine/wtf/dtoa/double-conversion.cc

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-#include "sky/engine/config.h"
 
 #include <limits.h>
 #include <math.h>
 
 #include "double-conversion.h"
 
 #include "bignum-dtoa.h"
 #include "sky/engine/wtf/dtoa/double.h"
 #include "fast-dtoa.h"
 #include "fixed-dtoa.h"
@@ skipping 558 matching lines @@
         buffer[buffer_pos] = '\0';
 
         double converted = Strtod(Vector<const char>(buffer, buffer_pos), exponent);
         *processed_characters_count = current - input;
         return sign? -converted: converted;
     }
 
 }  // namespace double_conversion
 
 } // namespace WTF