Revert of [builtins] Refactor the remaining Date builtins.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index f6f4ef72540e98d4d22f866fc2b4a9884a2f6e2f..c37494e3a05017a99563e2867d0e99ac3fabd4c2 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -19331,16 +19331,6 @@
 }
 
 
-// static
-Handle<Object> JSDate::SetValue(Handle<JSDate> date, double v) {
-  Isolate* const isolate = date->GetIsolate();
-  Handle<Object> value = isolate->factory()->NewNumber(v);
-  bool value_is_nan = std::isnan(v);
-  date->SetValue(*value, value_is_nan);
-  return value;
-}
-
-
 void JSDate::SetValue(Object* value, bool is_value_nan) {
   set_value(value);
   if (is_value_nan) {