Remove serializer-specific hash table size heuristic.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index aea01dc8a93473b3eb09fcad2f069845e304a41b..687426bc76d6cdf7a9eb63c48ee077091243f97e 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -13438,9 +13438,7 @@ Handle<Derived> HashTable<Derived, Shape, Key>::New(
 
   int capacity = (capacity_option == USE_CUSTOM_MINIMUM_CAPACITY)
                      ? at_least_space_for
-                     : isolate->creating_default_snapshot()
-                           ? ComputeCapacityForSerialization(at_least_space_for)
-                           : ComputeCapacity(at_least_space_for);
+                     : ComputeCapacity(at_least_space_for);
   if (capacity > HashTable::kMaxCapacity) {
     v8::internal::Heap::FatalProcessOutOfMemory("invalid table size", true);
   }