Remove --pretenuring-call-new

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 0486c3ee3f4f19a17f021857f6f2344ce27a447c..34de3e4c74b5e876b395f136f8ee4379f605a0b3 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -1982,7 +1982,7 @@ class CallNew final : public Expression {
   // Type feedback information.
   virtual FeedbackVectorRequirements ComputeFeedbackRequirements(
       Isolate* isolate, const ICSlotCache* cache) override {
-    return FeedbackVectorRequirements(FLAG_pretenuring_call_new ? 2 : 1, 0);
+    return FeedbackVectorRequirements(1, 0);
   }
   void SetFirstFeedbackSlot(FeedbackVectorSlot slot) override {
     callnew_feedback_slot_ = slot;
@@ -1992,10 +1992,6 @@ class CallNew final : public Expression {
     DCHECK(!callnew_feedback_slot_.IsInvalid());
     return callnew_feedback_slot_;
   }
-  FeedbackVectorSlot AllocationSiteFeedbackSlot() {
-    DCHECK(FLAG_pretenuring_call_new);
-    return CallNewFeedbackSlot().next();
-  }
 
   bool IsMonomorphic() override { return is_monomorphic_; }
   Handle<JSFunction> target() const { return target_; }