Revert of Always deserialize scope infos for parsing

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 35ec2a7d987eb57eb2a59c4f5143d092ed652e7b..eb1841d4d834532fa224ee82a07a56a7aac310a6 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -874,6 +874,10 @@
     return keyed_lookup_cache_;
   }
 
+  ContextSlotCache* context_slot_cache() {
+    return context_slot_cache_;
+  }
+
   DescriptorLookupCache* descriptor_lookup_cache() {
     return descriptor_lookup_cache_;
   }
@@ -1315,6 +1319,7 @@
   int stack_trace_for_uncaught_exceptions_frame_limit_;
   StackTrace::StackTraceOptions stack_trace_for_uncaught_exceptions_options_;
   KeyedLookupCache* keyed_lookup_cache_;
+  ContextSlotCache* context_slot_cache_;
   DescriptorLookupCache* descriptor_lookup_cache_;
   HandleScopeData handle_scope_data_;
   HandleScopeImplementer* handle_scope_implementer_;