Revert of Type Feedback Vector lives in the closure

src/snapshot/serialize.cc

Index: src/snapshot/serialize.cc
diff --git a/src/snapshot/serialize.cc b/src/snapshot/serialize.cc
index 096576f0a0e913b7aff318a6bb576bf6e7397779..73b08ecc0a424fb5d75b16bd535725f7167ac433 100644
--- a/src/snapshot/serialize.cc
+++ b/src/snapshot/serialize.cc
@@ -1842,15 +1842,8 @@
 
   // Clear literal boilerplates.
   if (obj->IsJSFunction()) {
-    LiteralsArray* literals = JSFunction::cast(obj)->literals();
-    for (int i = 0; i < literals->literals_count(); i++) {
-      literals->set_undefined(i);
-    }
-    // TODO(mvstanton): remove this line when the vector moves to the closure.
-    // We need to clear the vector so the serializer doesn't try to serialize
-    // the vector in the startup snapshot and the partial snapshot(s).
-    literals->set_feedback_vector(
-        TypeFeedbackVector::cast(isolate_->heap()->empty_fixed_array()));
+    FixedArray* literals = JSFunction::cast(obj)->literals();
+    for (int i = 0; i < literals->length(); i++) literals->set_undefined(i);
   }
 
   // Object has not yet been serialized.  Serialize it here.