Revert of Migrate Object.prototype.valueOf to CSA

src/builtins/builtins.h

 // Copyright 2011 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_BUILTINS_BUILTINS_H_
 #define V8_BUILTINS_BUILTINS_H_
 
 #include "src/base/flags.h"
 #include "src/globals.h"
 
@@ skipping 617 matching lines @@
   CPP(ObjectIs)                                                                \
   CPP(ObjectIsExtensible)                                                      \
   CPP(ObjectIsFrozen)                                                          \
   CPP(ObjectIsSealed)                                                          \
   CPP(ObjectKeys)                                                              \
   CPP(ObjectLookupGetter)                                                      \
   CPP(ObjectLookupSetter)                                                      \
   CPP(ObjectPreventExtensions)                                                 \
   /* ES6 section 19.1.3.6 Object.prototype.toString () */                      \
   TFJ(ObjectProtoToString, 0)                                                  \
-  TFJ(ObjectPrototypeValueOf, 0)                                               \
   CPP(ObjectPrototypePropertyIsEnumerable)                                     \
   CPP(ObjectPrototypeGetProto)                                                 \
   CPP(ObjectPrototypeSetProto)                                                 \
   CPP(ObjectSeal)                                                              \
   CPP(ObjectValues)                                                            \
                                                                                \
   /* instanceof */                                                             \
   TFS(OrdinaryHasInstance, BUILTIN, kNoExtraICState, Compare, 1)               \
   TFS(InstanceOf, BUILTIN, kNoExtraICState, Compare, 1)                        \
                                                                                \
@@ skipping 357 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_BUILTINS_BUILTINS_H_