Revert of [tests] Make assertOptimized()/assertUnoptimized() great again.

src/runtime/runtime.h

 // Copyright 2012 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_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include <memory>
 
 #include "src/allocation.h"
@@ skipping 1136 matching lines @@
 // Constants used by interface to runtime functions.
 
 class AllocateDoubleAlignFlag : public BitField<bool, 0, 1> {};
 class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {};
 
 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 STATIC_ASSERT(LANGUAGE_END == 2);
 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 1> {};
 
-// A set of bits returned by Runtime_GetOptimizationStatus.
-// These bits must be in sync with bits defined in test/mjsunit/mjsunit.js
-enum class OptimizationStatus {
-  kIsFunction = 1 << 0,
-  kNeverOptimize = 1 << 1,
-  kAlwaysOptimize = 1 << 2,
-  kMaybeDeopted = 1 << 3,
-  kOptimized = 1 << 4,
-  kTurboFanned = 1 << 5,
-  kInterpreted = 1 << 6,
-};
-
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_