Remove unnecessary TypeFeedbackIds, saves memory and simplifies TurboFan.

src/compiler/ast-graph-builder.h

Index: src/compiler/ast-graph-builder.h
diff --git a/src/compiler/ast-graph-builder.h b/src/compiler/ast-graph-builder.h
index c7d604cada8a374fc622a3c1aed08eedbd1dea23..40b7732fcbb10c3ae15d7b148a4a71ab05994f9e 100644
--- a/src/compiler/ast-graph-builder.h
+++ b/src/compiler/ast-graph-builder.h
@@ -268,9 +268,9 @@ class AstGraphBuilder : public AstVisitor {
 
   // Builders for property loads and stores.
   Node* BuildKeyedLoad(Node* receiver, Node* key,
-                       const VectorSlotPair& feedback, TypeFeedbackId id);
+                       const VectorSlotPair& feedback);
   Node* BuildNamedLoad(Node* receiver, Handle<Name> name,
-                       const VectorSlotPair& feedback, TypeFeedbackId id,
+                       const VectorSlotPair& feedback,
                        ContextualMode mode = NOT_CONTEXTUAL);
   Node* BuildKeyedStore(Node* receiver, Node* key, Node* value,
                         TypeFeedbackId id);