Revert of [snapshot] Move builtins generation into mksnapshot

src/interpreter/setup-interpreter.h

-// Copyright 2017 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef V8_INTERPRETER_SETUP_INTERPRETER_H_
-#define V8_INTERPRETER_SETUP_INTERPRETER_H_
-
-#include "src/interpreter/bytecode-operands.h"
-#include "src/interpreter/bytecodes.h"
-
-namespace v8 {
-namespace internal {
-namespace interpreter {
-
-class Interpreter;
-
-class SetupInterpreter {
- public:
-  static void InstallBytecodeHandlers(Interpreter* interpreter);
-
- private:
-  // In the case of bytecodes that share handler implementations, copy the code
-  // into the bytecode's dispatcher table entry and return true.
-  static bool ReuseExistingHandler(Address* dispatch_table, Bytecode bytecode,
-                                   OperandScale operand_scale);
-  // Generates handler for given |bytecode| and |operand_scale|
-  // and installs it into the |dispatch_table|.
-  static void InstallBytecodeHandler(Isolate* isolate, Address* dispatch_table,
-                                     Bytecode bytecode,
-                                     OperandScale operand_scale);
-};
-
-}  // namespace interpreter
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_INTERPRETER_SETUP_INTERPRETER_H_