Remove serializer-specific hash table size heuristic.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 3912d04543f4399a09b7b33ef59882a094dcee16..6d052ef3a6d43cb43a2e874393298c7897e2bfe3 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2950,9 +2950,6 @@ class HashTableBase : public FixedArray {
   // number of elements. May be more than HashTable::kMaxCapacity.
   static inline int ComputeCapacity(int at_least_space_for);
 
-  // Use a different heuristic to compute capacity when serializing.
-  static inline int ComputeCapacityForSerialization(int at_least_space_for);
-
   // Tells whether k is a real key.  The hole and undefined are not allowed
   // as keys and can be used to indicate missing or deleted elements.
   bool IsKey(Object* k) {