[snapshot] Move builtins generation into mksnapshot

src/interpreter/interpreter.h

Index: src/interpreter/interpreter.h
diff --git a/src/interpreter/interpreter.h b/src/interpreter/interpreter.h
index 6ece88132f2810685ca9ae5afa395675a2487dac..89952d90d3d4ec41ddfa11e434aa73594f45afa8 100644
--- a/src/interpreter/interpreter.h
+++ b/src/interpreter/interpreter.h
@@ -81,7 +81,6 @@ class Interpreter {
                                       OperandScale operand_scale);
 
   bool IsDispatchTableInitialized();
-  bool ShouldInitializeDispatchTable();
 
   static const int kNumberOfWideVariants = 3;
   static const int kDispatchTableSize = kNumberOfWideVariants * (kMaxUInt8 + 1);