Expose the ValueSerializer data format version as a compile-time constant.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 589a42d58ead1787a65805018478c4d186785010..8489b29a12662c44655ec5468149d4803a3daa1c 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -3128,11 +3128,6 @@ struct ValueSerializer::PrivateData {
   i::ValueSerializer serializer;
 };
 
-// static
-uint32_t ValueSerializer::GetCurrentDataFormatVersion() {
-  return i::ValueSerializer::GetCurrentDataFormatVersion();
-}
-
 ValueSerializer::ValueSerializer(Isolate* isolate)
     : ValueSerializer(isolate, nullptr) {}