Use inline constants instead of typed array for math constants.

src/third_party/fdlibm/fdlibm.h

Index: src/third_party/fdlibm/fdlibm.h
diff --git a/src/third_party/fdlibm/fdlibm.h b/src/third_party/fdlibm/fdlibm.h
index 151980972e05d40c995f8495dabe12168f437421..e417c8ce595cabae3cc92e256bf7e74920f4ea29 100644
--- a/src/third_party/fdlibm/fdlibm.h
+++ b/src/third_party/fdlibm/fdlibm.h
@@ -21,10 +21,6 @@ namespace fdlibm {
 
 int rempio2(double x, double* y);
 
-// Constants to be exposed to builtins via Float64Array.
-struct MathConstants {
-  static const double constants[66];
-};
 }  // namespace internal
 }  // namespace v8