[interpreter] A couple of minor tweaks to BytecodeArray.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index caf109623c73bed0aef918a18e3be1453a751f98..e124c0200975b550440f441848bdee33cce5ce37 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4254,8 +4254,6 @@ class BytecodeArray : public FixedArrayBase {
   // Accessors for frame size and the number of locals
   inline int frame_size() const;
   inline void set_frame_size(int value);
-  inline int number_of_locals() const;
-  inline void set_number_of_locals(int value);
 
   DECLARE_CAST(BytecodeArray)
 
@@ -4269,8 +4267,7 @@ class BytecodeArray : public FixedArrayBase {
 
   // Layout description.
   static const int kFrameSizeOffset = FixedArrayBase::kHeaderSize;
-  static const int kNumberOfLocalsOffset = kFrameSizeOffset + kIntSize;
-  static const int kHeaderSize = kNumberOfLocalsOffset + kIntSize;
+  static const int kHeaderSize = kFrameSizeOffset + kIntSize;
 
   static const int kAlignedSize = OBJECT_POINTER_ALIGN(kHeaderSize);